\documentclass[10pt,a4paper]{article} % Packages \usepackage{fancyhdr} % For header and footer \usepackage{multicol} % Allows multicols in tables \usepackage{tabularx} % Intelligent column widths \usepackage{tabulary} % Used in header and footer \usepackage{hhline} % Border under tables \usepackage{graphicx} % For images \usepackage{xcolor} % For hex colours %\usepackage[utf8x]{inputenc} % For unicode character support \usepackage[T1]{fontenc} % Without this we get weird character replacements \usepackage{colortbl} % For coloured tables \usepackage{setspace} % For line height \usepackage{lastpage} % Needed for total page number \usepackage{seqsplit} % Splits long words. %\usepackage{opensans} % Can't make this work so far. Shame. Would be lovely. \usepackage[normalem]{ulem} % For underlining links % Most of the following are not required for the majority % of cheat sheets but are needed for some symbol support. \usepackage{amsmath} % Symbols \usepackage{MnSymbol} % Symbols \usepackage{wasysym} % Symbols %\usepackage[english,german,french,spanish,italian]{babel} % Languages % Document Info \author{ArcelM4} \pdfinfo{ /Title (geometry-probability-stats-and-measurements.pdf) /Creator (Cheatography) /Author (ArcelM4) /Subject (Geometry, Probability, Stats, and Measurements Cheat Sheet) } % Lengths and widths \addtolength{\textwidth}{6cm} \addtolength{\textheight}{-1cm} \addtolength{\hoffset}{-3cm} \addtolength{\voffset}{-2cm} \setlength{\tabcolsep}{0.2cm} % Space between columns \setlength{\headsep}{-12pt} % Reduce space between header and content \setlength{\headheight}{85pt} % If less, LaTeX automatically increases it \renewcommand{\footrulewidth}{0pt} % Remove footer line \renewcommand{\headrulewidth}{0pt} % Remove header line \renewcommand{\seqinsert}{\ifmmode\allowbreak\else\-\fi} % Hyphens in seqsplit % This two commands together give roughly % the right line height in the tables \renewcommand{\arraystretch}{1.3} \onehalfspacing % Commands \newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour \newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols \newcolumntype{x}[1]{>{\raggedright}p{#1}} % New column types for ragged-right paragraph columns \newcommand{\tn}{\tabularnewline} % Required as custom column type in use % Font and Colours \definecolor{HeadBackground}{HTML}{333333} \definecolor{FootBackground}{HTML}{666666} \definecolor{TextColor}{HTML}{333333} \definecolor{DarkBackground}{HTML}{000080} \definecolor{LightBackground}{HTML}{F7F7FB} \renewcommand{\familydefault}{\sfdefault} \color{TextColor} % Header and Footer \pagestyle{fancy} \fancyhead{} % Set header to blank \fancyfoot{} % Set footer to blank \fancyhead[L]{ \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{C} \SetRowColor{DarkBackground} \vspace{-7pt} {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}} } \end{tabulary} \columnbreak \begin{tabulary}{11cm}{L} \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Geometry, Probability, Stats, and Measurements Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{ArcelM4} via \textcolor{DarkBackground}{\uline{cheatography.com/198742/cs/42092/}}} \end{tabulary} \end{multicols}} \fancyfoot[L]{ \footnotesize \noindent \begin{multicols}{3} \begin{tabulary}{5.8cm}{LL} \SetRowColor{FootBackground} \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}} \\ \vspace{-2pt}ArcelM4 \\ \uline{cheatography.com/arcelm4} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Published 9th February, 2024.\\ Updated 24th January, 2024.\\ Page {\thepage} of \pageref{LastPage}. \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}} \\ \SetRowColor{white} \vspace{-5pt} %\includegraphics[width=48px,height=48px]{dave.jpeg} Measure your website readability!\\ www.readability-score.com \end{tabulary} \end{multicols}} \begin{document} \raggedright \raggedcolumns % Set font size to small. Switch to any value % from this page to resize cheat sheet text: % www.emerson.emory.edu/services/latex/latex_169.html \footnotesize % Small font. \begin{multicols*}{2} \begin{tabularx}{8.4cm}{x{2.72 cm} x{5.28 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Geometry}} \tn % Row 0 \SetRowColor{LightBackground} Triangles & Are three sides, three angles, and all angles add up to 180 degrees. \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} Acute Triangles & All interior angles must be 0-90 degrees. All equilateral triangles are acute. \tn % Row Count 6 (+ 3) % Row 2 \SetRowColor{LightBackground} Scalene Triangles & All sides and angles differ in measure. \tn % Row Count 8 (+ 2) % Row 3 \SetRowColor{white} Right Triangles & Only one angle is equal to 90 degrees \tn % Row Count 10 (+ 2) % Row 4 \SetRowColor{LightBackground} Isosceles Triangles & Two opposite sides and angles are equal to each other. \tn % Row Count 13 (+ 3) % Row 5 \SetRowColor{white} Equilateral Traingles & All sides equal. All angles equal to 60 degrees. \tn % Row Count 15 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Finding a missing internal angle: \newline {\emph{a}} + {\emph{b}} + {\emph{c}} = 180° \newline 50° + 30° + {\emph{c}} = 180° \newline 180° - 50° - 30° = {\emph{c}} \newline 100° = {\emph{c}} \newline \newline Straight lines are equal to 180 degrees. \newline \newline Finding the exterior/internal angle with a straight line: \newline {\emph{x}} + {\emph{y}} = 180° \newline 40° + {\emph{y}} = 180° \newline 180° - 40° = {\emph{y}} \newline 140° ={\emph{y}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{4 cm} x{4 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Polygons}} \tn % Row 0 \SetRowColor{LightBackground} Polygons & Any enclosed geometrical shape that is composed of straight lines. \tn % Row Count 4 (+ 4) % Row 1 \SetRowColor{white} Regular Polygons & All sides and interior angles are equal. \tn % Row Count 6 (+ 2) % Row 2 \SetRowColor{LightBackground} Diagonals & A segment connecting two non-adjacent corners in a polygons. \tn % Row Count 9 (+ 3) % Row 3 \SetRowColor{white} Formula to find the sum of interior angles: & 180°({\emph{n}} - 2). {\emph{n}} = number of sides. \tn % Row Count 12 (+ 3) % Row 4 \SetRowColor{LightBackground} Formula to find the measure of interior angles: & (180°({\emph{n}} - 2))/{\emph{n}} \tn % Row Count 15 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Find the sum of interior angles of a nine (9) sided polygon. \newline 180°({\emph{n}} - 2) \newline 180°(9 - 2) \newline 180°(7) \newline 1260° \newline \newline Find the measure of interior angles of a 3 sided polygon: \newline (180°({\emph{n}} - 2))/{\emph{n}} \newline (180°(3 - 2))/3 \newline (180°(1))/3 \newline 180°/3 \newline 60°} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.64 cm} x{5.36 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Quadrilaterals}} \tn % Row 0 \SetRowColor{LightBackground} \seqsplit{Quadrilaterals} & Any four sided polygon. \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{Parallelograms} & Opposite sides are parallel to each other. Opposite sides and angles are equal in measure. \tn % Row Count 6 (+ 4) % Row 2 \SetRowColor{LightBackground} Rhombus & Parallelograms with all sides that are equal. \tn % Row Count 8 (+ 2) % Row 3 \SetRowColor{white} Rectagles & Parallelograms with opposite sides equal in measure. All angles equal to 90°. \tn % Row Count 11 (+ 3) % Row 4 \SetRowColor{LightBackground} Squares & Parallelograms with all sides that are equal. All sides are 90° \tn % Row Count 14 (+ 3) % Row 5 \SetRowColor{white} Isosceles Trapezoids & One set of sides are parallel. Other sides equal in measure. \tn % Row Count 17 (+ 3) % Row 6 \SetRowColor{LightBackground} Kite & Two sets of equal sides. No lines are parallel. \tn % Row Count 19 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Squares are also Rhombus, Rectangles, and Isosceles Trapezoids} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{5.52 cm} x{2.48 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Diagonals}} \tn % Row 0 \SetRowColor{LightBackground} Formula for finding the number of diagonals in a polygon: & D = ({\emph{n}}({\emph{n}}-3))/2 \tn % Row Count 3 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Diagonals \newline - Cut parallelograms into two equal triangles. \newline - Bisect each other. \newline \newline Adjacent angles in a parallelogram add up to 180° \newline \newline Opposite angles are equal to each other.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Diagonal Diagram}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/arcelm4_1705720204_image_2024-01-19_211002673.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Adjacent/Opposite Angles Diagram}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/arcelm4_1705720560_image_2024-01-19_211600505.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{Same colours are opposite angles. Adjacent angles are next to each other.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Probability}} \tn % Row 0 \SetRowColor{LightBackground} Probability & The mathematically likelihood that an event will occur. A ratio that compares the possible successful outcomes, to the total number of outcomes. \tn % Row Count 7 (+ 7) % Row 1 \SetRowColor{white} Probability Formula & Number of successful outcomes, divided by total number of outcomes. (1/10) \tn % Row Count 11 (+ 4) % Row 2 \SetRowColor{LightBackground} Odds & A ratio that compares the number of possible successful outcomes to the number of possible unsuccessful outcomes. \tn % Row Count 16 (+ 5) % Row 3 \SetRowColor{white} Odds Formula & Successful Outcomes : Unsuccessful Outcomes \tn % Row Count 18 (+ 2) % Row 4 \SetRowColor{LightBackground} Theoretical Probability & A ratio that compares the number of possible successful outcomes to the total number of possible outcomes Determined by reason or calculation. \tn % Row Count 24 (+ 6) % Row 5 \SetRowColor{white} Experimental Probability & A ratio that compares the number of times an event occurs to the total number of trials or tests Determined by experiment. \tn % Row Count 30 (+ 6) \end{tabularx} \par\addvspace{1.3em} \vfill \columnbreak \begin{tabularx}{8.4cm}{x{3.04 cm} x{4.96 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Probability (cont)}} \tn % Row 6 \SetRowColor{LightBackground} Expected Value & Expected value is an application of probability that involves the likelihood of a gain or loss. \tn % Row Count 4 (+ 4) % Row 7 \SetRowColor{white} Expected Value Formula & EV={[}\%(gain) x \$gain{]}-{[}\%(lose) x \$loss{]} \tn % Row Count 6 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Probability of picking card \#5: 1/5 \newline Odds of picking card \#5: 1:4 \newline Odds of not picking card \#5: 4:1 \newline Theoretical Probability: 1/5 chance of choosing card \#5. \newline Experimental Probability: He picked up card \#5 two times. 2/5 of picking card \#5. \newline \newline \newline There is a 1 in 5 chance of winning \$4.00. It costs \$1.00 to play. \newline \newline EV={[}\%(gain) {\emph{ \$(gain){]} - {[}\%(loss) }} \$(loss){]} \newline EV={[}1/5 {\emph{ 4{]} - {[}4/5 }} 1{]} \newline EV={[}0.2 {\emph{ 4{]} - {[}0.8 }} 1{]} \newline EV=0.8 - 0.8 \newline EV=\$0} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{1.36 cm} x{6.64 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Law of Sines}} \tn % Row 0 \SetRowColor{LightBackground} Sine Law & Used to find lengths of sides, or angles of non-right triangles.  \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \seqsplit{Formula:} & {\emph{a}}/sin(A) = {\emph{b}}/sin(B) = {\emph{c}}/sin(C) \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Find side {\emph{a}}: \newline {\emph{a}}/sin(30°) = 15cm/sin(45°) \newline {\emph{a}} = \seqsplit{sin(30°)(15cm/sin(45°))} \newline {\emph{a}} = 10.61cm \newline \newline Find sin(C): \newline sin(C)/9 = sin(47)/11 \newline sin(C) = 9*{[}sin(47)/11{]} \newline C = sin\textasciicircum{}-1\textasciicircum{}(0.59838) \newline C = 36.75°} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Find Side Diagram: Law of Sines}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/arcelm4_1705723547_image_2024-01-19_220531066.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Find sin(C) Diagram}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/arcelm4_1705723392_image_2024-01-19_220259534.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{3.76 cm} x{4.24 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Law of Cosines}} \tn % Row 0 \SetRowColor{LightBackground} Cosine Law & Used to find angles or sides when Sine Law isn't possible. \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} Formula to find with a given angle: & {\emph{a}}\textasciicircum{}2\textasciicircum{} = {\emph{b}}\textasciicircum{}2\textasciicircum{} + {\emph{c}}\textasciicircum{}2\textasciicircum{} - 2{\emph{bc}}CosA \tn % Row Count 5 (+ 2) % Row 2 \SetRowColor{LightBackground} Formula when there are no angles: & Cos(A) = ({\emph{b}}\textasciicircum{}2\textasciicircum{} + {\emph{c}}\textasciicircum{}2\textasciicircum{} - {\emph{a}}\textasciicircum{}2\textasciicircum{})/2{\emph{bc}} \tn % Row Count 7 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{{\emph{a}}/sin(40°) = 15/sin(B) = 8/sin(C) cannot be calculated so Cosine Law is used \newline \newline Find side ({\emph{a}}) \newline {\emph{a}}\textasciicircum{}2\textasciicircum{} = b{\emph{2}} + c{\emph{2}} - 2{\emph{bc}}CosA \newline {\emph{a}}\textasciicircum{}2\textasciicircum{} = 15\textasciicircum{}2\textasciicircum{} + 8\textasciicircum{}2\textasciicircum{} - 2(15)(8)Cos(40°) \newline {\emph{a}}\textasciicircum{}2\textasciicircum{} = 225 + 64 - 240 Cos(40°) \newline {\emph{a}}\textasciicircum{}2\textasciicircum{} = 105.14933 \newline {\emph{a}} = √105.14933 \newline {\emph{a}} = 10.25 \newline \newline Find cosine(A) \newline Cos(A) = ({\emph{b}}\textasciicircum{}2\textasciicircum{} + {\emph{c}}\textasciicircum{}2\textasciicircum{} - {\emph{a}}\textasciicircum{}2\textasciicircum{})/2{\emph{bc}} \newline Cos(A) = (7\textasciicircum{}2\textasciicircum{} + 5\textasciicircum{}2\textasciicircum{} - 6\textasciicircum{}2\textasciicircum{})/2(7)(5) \newline Cos(A) = (49 + 25 - 36)/70 \newline Cos(A) = 0.542857 \newline A = cos\textasciicircum{}-1\textasciicircum{} (0.542857) \newline A = 57.12°} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Diagram: What to use}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/arcelm4_1705953463_image_2024-01-22_135533604.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.16 cm} x{5.84 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Measurement}} \tn % Row 0 \SetRowColor{LightBackground} Accuracy & Accuracy of a measurement is how close the measurement is to the true value. \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} Precision & Precision of measurements is how close they are to each other. The precision is determined by the number of decimal places. \tn % Row Count 8 (+ 5) % Row 2 \SetRowColor{LightBackground} \seqsplit{Uncertainty} & Uncertainty is the natural variation in measurements associated with instruments \tn % Row Count 11 (+ 3) % Row 3 \SetRowColor{white} Tolerance (∓) & The total amount that a measurement is allowed to vary. Add or subtract Tolerance to Nominal Value. \tn % Row Count 15 (+ 4) % Row 4 \SetRowColor{LightBackground} Nominal Value & The middle number that can be added or subtracted from to show the minimum or maximum value. \tn % Row Count 19 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Tolerance: (Maximum Value {\bf{-}} Minimum Value)/2 \newline {[}Eg. (130-120)/2 = ∓5{]}. \newline 125 ∓ 5 = (125 - 5 = 120) or (125 + 5 = 130) \newline Tolerance can have different maximum and minimum values. \newline Eg. 125 (+5) (-3) = {[}125 + 5 = 130{]} or {[}125 - 3 = 122{]}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{p{0.8 cm} p{0.8 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Measurement (continued)}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{} \tn % Row Count 0 (+ 0) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Nominal Value: Minimum Value + Tolerance \newline Eg. 120 + 5 = 125. \newline \newline Precision: Lowest unit of measurement of the measuring device or the significant decimal place. \newline 87.32kg = 0.0\textgreater{}{\emph{1}}\textless{}. \newline \newline Uncertainty: Because not all measuring devices are accurate, you include an error with the measurement. \newline (Smallest Measure/2) Eg. 0.1/2 = ∓0.05} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.56 cm} x{5.44 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Central Tendency}} \tn % Row 0 \SetRowColor{LightBackground} Statistics & Is based upon data collected. From that, inferences and speculations are made. It is reliant upon the data and the interpretation of the data.  \tn % Row Count 6 (+ 6) % Row 1 \SetRowColor{white} Mean & The average of all data. The sum of all data, divided by the number of data. \tn % Row Count 9 (+ 3) % Row 2 \SetRowColor{LightBackground} Median & The set of values that is the middle of values arranged in ascending or descending order. \tn % Row Count 13 (+ 4) % Row 3 \SetRowColor{white} Even Median Formula & {\emph{X}}{[}{\bf{n}}/2{]} + {\emph{X}}{[}({\bf{n}}/2)+1{]})/2. ({\bf{n}} = number of values) ({\emph{X}} = position of values) \tn % Row Count 17 (+ 4) % Row 4 \SetRowColor{LightBackground} Mode & The value that appears the most frequently. \tn % Row Count 19 (+ 2) % Row 5 \SetRowColor{white} Outlier & A piece of data that is significantly different from the rest. \tn % Row Count 22 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{5, 7, 8, 8, 8, 9, 10, 12, 13, 14, 15 \newline \newline Mean: \seqsplit{(5+7+8+8+8+9+10+12+13+14+15)/11} = 9.9 = 10 \newline Median (Odd): Middle value = 9 \newline \newline 5, 7, 8, 8, 8, 9, 10, 12, 13, 14, 15, 35 \newline \newline Median (Even): ({\emph{X}}{[}12/2{]} + ({\emph{X}}{[}(12/2)+1{]}/2 \newline = ({\emph{X}}{[}6{]} + {\emph{X}}{[}6+1{]})/2 \newline = (10 + 12)/2 \newline = 22/2 \newline = 11 \newline Mode: 8} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.72 cm} x{5.28 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Other Statistical Measurements}} \tn % Row 0 \SetRowColor{LightBackground} Range & The difference from the highest value to the lowest value in the data set. \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} Trimmed Mean & Removing the highest and lowest values and calculating the mean so that data is accurately presented. \tn % Row Count 7 (+ 4) % Row 2 \SetRowColor{LightBackground} Weighted Mean & The average or mean of a data set in which each data point does not contribute an equal amount to the final average. \tn % Row Count 12 (+ 5) % Row 3 \SetRowColor{white} Weighted Mean Formula & Sum of the product of each item and its weight, divided by sum of the weightings \tn % Row Count 16 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{5, 7, 8, 8, 8, 9, 10, 12, 13, 14, 15, 35 \newline \newline Trimmed Mean: Remove 5 and 35. \seqsplit{(7+8+8+8+9+10+12+13+14+15)/10} = 10.4, rounded up = 10 \newline \newline Weighted Mean: Will be in a diagram because I cannot figure out how to use cells.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Weighted Mean Diagram}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/arcelm4_1706063955_image_2024-01-23_203913279.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{x{2.96 cm} x{5.04 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{8.4cm}}{\bf\textcolor{white}{Percentiles}} \tn % Row 0 \SetRowColor{LightBackground} Percentiles & A value below which a certain percent of the data falls. \tn % Row Count 3 (+ 3) % Row 1 \SetRowColor{white} Percentile Rank & A percentile rank of 50 (usually written P50) is the median because 50\% (or half) of the values in the set are below the median value. \tn % Row Count 9 (+ 6) % Row 2 \SetRowColor{LightBackground} Percentile Rank Formula & {\emph{P}}=({\emph{B}}/{\bf{n}}) * 100. {\emph{B}}: The number of scores below a given score, {\bf{n}}: The number of scores. Always rounded to the nearest whole number \tn % Row Count 15 (+ 6) % Row 3 \SetRowColor{white} Stem Leaf Plot & A way to organize data in order of place value. The "tens digit and greater" is the stem and the "ones digit" is the leaf. \tn % Row Count 20 (+ 5) % Row 4 \SetRowColor{LightBackground} \textasciicircum{} & Will show on a diagram because I cannot figure out cells. \tn % Row Count 23 (+ 3) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{8.4cm}}{Ron scores 82\% on his biology exam. A total of 200 students who wrote the same exam. 135 scored lower than Ron. What is Ron's percentile rank? \newline \newline {\emph{P}}=({\emph{B}}/{\bf{n}}) * 100 \newline {\emph{P}}=(135/200) * 100 \newline {\emph{P}}=(0.675) * 100 \newline {\emph{P}}=67.5 \newline {\emph{P}}=68th Percentile Rank} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{8.4cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{8.4cm}}{\bf\textcolor{white}{Stem Leaf Plot Diagram}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{8.4cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/arcelm4_1706064695_image_2024-01-23_205117106.png}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{8.4cm}}{The "tens digit and greater" is the stem and the "ones digit" is the leaf.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}