\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{Ktroch} \pdfinfo{ /Title (stats-and-math-prep.pdf) /Creator (Cheatography) /Author (Ktroch) /Subject (STATS \& MATH Prep 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}{0B1BA3} \definecolor{LightBackground}{HTML}{F7F7FC} \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{STATS \& MATH Prep Cheat Sheet}}}} \\ \normalsize{by \textcolor{DarkBackground}{Ktroch} via \textcolor{DarkBackground}{\uline{cheatography.com/144298/cs/30968/}}} \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}Ktroch \\ \uline{cheatography.com/ktroch} \\ \end{tabulary} \vfill \columnbreak \begin{tabulary}{5.8cm}{L} \SetRowColor{FootBackground} \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}} \\ \vspace{-2pt}Not Yet Published.\\ Updated 3rd March, 2022.\\ 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*}{3} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{BEDMAS}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{• Brackets} \tn % Row Count 1 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{{\bf{Brackets}} {\emph{Operations within brackets should be done first}} {\emph{ if there is two sets of brackets, solve the inside brackets then the outside.}} \newline {\bf{ {\emph{Exponents }}refer to squared numbers and squared roots}} - A number that amplifies another number Ex: 3$^{\textrm{3}}$ OR ∛} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{1.23579 cm} x{1.78503 cm} x{1.55618 cm} } \SetRowColor{DarkBackground} \mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Calculator keys}} \tn % Row 0 \SetRowColor{LightBackground} Squared x\textasciicircum{}2\textasciicircum{} & Exponent x\textasciicircum{}x\textasciicircum{} & Negative ( - ) or \textasciicircum{}+\textasciicircum{}/- \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} square Root √◻ & Root {\emph{shift}} {\emph{+}} {\bf{x}}\textasciicircum{}◻\textasciicircum{} & Fractions - ▬/◻ \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{3}{x{5.377cm}}{Brackets {\bf{(}} OR {\bf{)}}} \tn % Row Count 5 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}---} \SetRowColor{LightBackground} \mymulticolumn{3}{x{5.377cm}}{{\emph{ Buttons will vary depending on your calculator}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}---} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Squared Numbers and Square Roots}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Squared Numbers }} - Multiplying a number by itself \newline % Row Count 2 (+ 2) {\bf{ Square Roots}} - Determining which number multiplied by itself equals the number under the square root sign.% Row Count 5 (+ 3) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Fractions: Part of a whole.}} \tn % Row 0 \SetRowColor{LightBackground} Numerator is the top number & Denominator is the bottom \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} {\bf{Multiplying}} Fractions\{\{nl\}\} multiply the numerators and then multiply the denominators , then simplify & {\bf{Dividing}}\{\{nl\}\} invert the second fraction and multiply. \tn % Row Count 8 (+ 6) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{{\bf{Adding/Subtracting}} Fractions \{\{nl\}\} If the denominator is the same , add or subtract the numerators. \{\{nl\}\} If the denominator is different then find the least common multiple between the denominators and use that for the denominator. \{\{nl\}\} Multiply both numerator and denominator by the value needed to obtain the common denominator.} \tn % Row Count 15 (+ 7) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{{\emph{ Denominator is how many there are as a whole. Numerator is how many there are FROM the denominator.}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.43873 cm} x{2.53827 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Probability}} \tn % Row 0 \SetRowColor{LightBackground} Certain {\emph{1:1, 100\%, 1, 1/1}} chance & Likely {\emph{0\% and 100\%}} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} Unlikely {\emph{0 to 1}} & Impossible {\emph{ 0:1, 0\%, 0, 0/1}} chance \tn % Row Count 4 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Formal probability rule: \{\{nl\}\} All range between 0 and 1 (or 0\% and 100\%) always} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Statistics}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Statistics}} To help find patterns and relationships in data.\{\{nl\}\} \newline % Row Count 2 (+ 2) {\bf{Data}} Information with context\{\{nl\}\} \newline % Row Count 3 (+ 1) {\bf{Quantitative Variable}} Results in numbers with units where taking an average makes sense. {\emph{Charts, graphs, plots}} {\bf{spread = smallest value to biggest value}} \{\{nl\}\} \newline % Row Count 7 (+ 4) {\bf{Categorial Variables}} Results in information placed into groups or categories. ( the count ∻ the total * 100 = the \% \{\{nl\}\}% Row Count 10 (+ 3) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Integers}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{{\bf{Integers}}- are whole numbers {\emph{(not decimals)}} positive, negative, or zero {\emph{Example}}: 4 , -7 , 0} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Integers on a number line}} The larger the number, positive or negative the {\bf{further}} it is away from zero.} \tn % Row Count 5 (+ 3) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{{\bf{Absolute value of a number}}: is the distance away from zero. To represent the absolute value of a number, you write it like this |5|} \tn % Row Count 8 (+ 3) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Adding}}\{\{nl\}\}{\emph{When you are adding {\bf{Positive}} integers you move {\bf{right}} on the number line.\{\{nl\}\} 3 + 4 = 7 ⇒ {\bf{3 →→→→ 7}} \{\{nl\}\} }}When adding {\bf{Negative}} numbers , you move to the {\bf{left}} on the number line* \{\{nl\}\} 5+(-2) = 3 ⇒ {\bf{3←← 5}}} \tn % Row Count 14 (+ 6) % Row 4 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{{\bf{Subtracting}}\{\{nl\}\} Subtraction is opposite of addition. Subtract a positive number count to the {\bf{left}}. Subtract a negative number and count to the {\bf{right}}.} \tn % Row Count 18 (+ 4) % Row 5 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{ Multiplying \& Divinding}} \{\{nl\}\} 2 positive integers = A positive\{\{nl\}\} 2 negative integers = A positive.\{\{nl\}\} 2 integers with mixed signs = A negative.} \tn % Row Count 22 (+ 4) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Proportions and Ratios}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{{\bf{Ratio}}: A way to describe the relationship between two numbers. {\emph{ 2:1 OR 2 to 1}} \{\{nl\}\} \newline % Row Count 2 (+ 2) {\bf{Proportions}} A way to describe the relationship between two numbers using a ratio or decimal. \{\{nl\}\} \newline % Row Count 5 (+ 3) {\bf{Equivalent Ratios}} Look different but equal the same. {\emph{3:6=0.5 4/8 =0.5}}% Row Count 7 (+ 2) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Scientific notation}} \tn % Row 0 \SetRowColor{LightBackground} 230000000.00 = 2.3 x 10\textasciicircum{}8\textasciicircum{} & .000000012 = 1.2 x 10\textasciicircum{}-8\textasciicircum{} \tn % Row Count 2 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Scientific notation is a way of writing really big or really small numbers Using the base number 10. When doing a small number the exponent is negative} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.53827 cm} x{2.43873 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Scientific notation}} \tn % Row 0 \SetRowColor{LightBackground} 230000000.00 = 2.3 x 10\textasciicircum{}8\textasciicircum{} & .000000012 = 1.2 x 10\textasciicircum{}-8\textasciicircum{} \tn % Row Count 2 (+ 2) \hhline{>{\arrayrulecolor{DarkBackground}}--} \SetRowColor{LightBackground} \mymulticolumn{2}{x{5.377cm}}{Scientific notation is a way of writing really big or really small numbers Using the base number 10. When doing a small number the exponent is negative} \tn \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Calculator}} \tn \SetRowColor{LightBackground} \mymulticolumn{1}{p{5.377cm}}{\vspace{1px}\centerline{\includegraphics[width=5.1cm]{/web/www.cheatography.com/public/uploads/ktroch_1646170923_v4-460px-Use-a-Calculator-Step-7.jpg}}} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Use this question to see if your calculator follows the order of operations. \newline 25 - 3x6 = ? \newline If the answer 7, then it DOES follow the order of operations. \newline If the answer 132, then it does NOT.} \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Place Value}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Tens} \tn % Row Count 1 (+ 1) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Decimals}} \tn % Row 0 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{Decimals are like fractions, they are part of a whole.} \tn % Row Count 2 (+ 2) % Row 1 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{To turn a fraction into a decimal, divide the numerator by the denominator.} \tn % Row Count 4 (+ 2) % Row 2 \SetRowColor{LightBackground} \mymulticolumn{1}{x{5.377cm}}{To turn a decimal in to a fraction, place the decimal over its place value and then simplify. (find the common denominator with factoring.)} \tn % Row Count 7 (+ 3) % Row 3 \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{Decimal Rounding : How many decimal points do you want to keep?\{\{nl\}\} Look at the number to the right of the value. \{\{nl\}\} If the number is less than 5 keep it and drop the rest to the right. \{\{nl\}\} If the number is greater than or equal to 5 then add 1 to the number and drop the remaining to the right.} \tn % Row Count 14 (+ 7) \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{X} \SetRowColor{DarkBackground} \mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Algebra Terms}} \tn \SetRowColor{white} \mymulticolumn{1}{x{5.377cm}}{Letters are used to represent missing numbers in an equation.\{\{nl\}\} \newline % Row Count 2 (+ 2) {\bf{Constants}} Are the numbers in the equation.\{\{nl\}\} \newline % Row Count 4 (+ 2) {\bf{Variables}} Are the letters in the equation. \{\{nl\}\} \newline % Row Count 6 (+ 2) {\bf{Coefficient}} A number that is directly followed by a variable. Grouped like this we are to multiply \{\{nl\}\}% Row Count 9 (+ 3) } \tn \hhline{>{\arrayrulecolor{DarkBackground}}-} \end{tabularx} \par\addvspace{1.3em} \begin{tabularx}{5.377cm}{x{2.4885 cm} x{2.4885 cm} } \SetRowColor{DarkBackground} \mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Mean and Median}} \tn % Row 0 \SetRowColor{LightBackground} {\bf{Mean}}\{\{nl\}\} Mean = Average, Add all values and then divide by the number of values. x or a y with a bar over it. & {\bf{y=∑y/n}} \tn % Row Count 6 (+ 6) % Row 1 \SetRowColor{white} {\bf{Median}}\{\{nl\}\} The center, equal amount of units on each side\{\{nl\}\} First sort smallest to biggest then use the formula, Odd Median=Middle value, in position. Even Median=Average of two middle numbers , average of values in position & {\bf{Odd (n+1/2)\{\{nl\}\} Even (n/2) and (n/2+1)}} \tn % Row Count 18 (+ 12) \hhline{>{\arrayrulecolor{DarkBackground}}--} \end{tabularx} \par\addvspace{1.3em} % That's all folks \end{multicols*} \end{document}