\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{reccur}
\pdfinfo{
  /Title (sampling.pdf)
  /Creator (Cheatography)
  /Author (reccur)
  /Subject (Sampling 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}{C48027}
\definecolor{LightBackground}{HTML}{FBF7F1}
\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{Sampling Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{reccur} via \textcolor{DarkBackground}{\uline{cheatography.com/137043/cs/28767/}}}
\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}reccur \\
  \uline{cheatography.com/reccur} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 3rd August, 2021.\\
   Updated 3rd August, 2021.\\
   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{1.09848 cm} x{1.73926 cm} x{1.73926 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Introduction}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Population}} & The {\bf{population}} is the collection of units (people, objects or whatever) that researchers are interested in knowing about. The number of individuals in a population is called {\bf{population size}}. Population may be finite (we know the numbers exactly) or infinite (no idea about the number). &  \tn 
% Row Count 20 (+ 20)
% Row 1
\SetRowColor{white}
{\bf{Sample}} & A sample is a smaller collection of units selected from the population i.e. a {\bf{finite subset of individuals}} in a population is called a {\bf{sample}} and the number of individuals in a sample is called {\bf{sample size}}. &  \tn 
% Row Count 35 (+ 15)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.09848 cm} x{1.73926 cm} x{1.73926 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Introduction (cont)}}  \tn
% Row 2
\SetRowColor{LightBackground}
{\bf{Parameters}} & The terms that describe the {\bf{characteristics of a population}} &  \tn 
% Row Count 5 (+ 5)
% Row 3
\SetRowColor{white}
{\bf{Statistic}} & the terms describe the {\bf{characteristics of sample}} &  \tn 
% Row Count 9 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{3}{x{5.377cm}}{} \tn 
% Row Count 9 (+ 0)
% Row 5
\SetRowColor{white}
 & {\bf{Population}} & {\bf{Sample}} \tn 
% Row Count 10 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\{\{bt\}\}{\bf{Definition}} & \{\{bt\}\}Collection of all items under study & \{\{bt\}\}Part or portion of population chosen for study \tn 
% Row Count 14 (+ 4)
% Row 7
\SetRowColor{white}
\{\{bt\}\}{\bf{Characteristics}} & \{\{bt\}\}Parameters & \{\{bt\}\}Statistics \tn 
% Row Count 17 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\{\{bt\}\} & \{\{bt\}\}Population size = N & \{\{bt\}\}Sample size = n \tn 
% Row Count 19 (+ 2)
% Row 9
\SetRowColor{white}
{\bf{Symbols}} & Mean = μ & Mean = x̄ \tn 
% Row Count 21 (+ 2)
% Row 10
\SetRowColor{LightBackground}
 & Standard Deviation = σ & Standard Deviation = S \tn 
% Row Count 23 (+ 2)
% Row 11
\SetRowColor{white}
 & Correlation Coeff. = ρ & Correlation Coeff. = r \tn 
% Row Count 25 (+ 2)
% Row 12
\SetRowColor{LightBackground}
{\bf{Census}} & Data are collected for each and every unit (person, household, shop, organization etc.) of the population. &  \tn 
% Row Count 33 (+ 8)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
\columnbreak
\begin{tabularx}{5.377cm}{x{1.09848 cm} x{1.73926 cm} x{1.73926 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Introduction (cont)}}  \tn
% Row 13
\SetRowColor{LightBackground}
{\bf{Sampling}} & Instead of every unit of the population, only a part of the population is studied and the conclusions are drawn on that basis for the entire population. &  \tn 
% Row Count 11 (+ 11)
% Row 14
\SetRowColor{white}
{\bf{Sampling Frame}} & (Source list) The sampling frame is the list of items in the population (universe) from which sample is to be drawn. &  \tn 
% Row Count 19 (+ 8)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Sampling Process}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}{\bf{Define the population}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}\{\{fa-arrow-down\}\}} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}{\bf{Specify the sampling frame}}} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}\{\{fa-arrow-down\}\}} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}{\bf{Specify sampling unit}}} \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}\{\{fa-arrow-down\}\}} \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}{\bf{Selection of sampling method}}} \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}\{\{fa-arrow-down\}\}} \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}{\bf{Determination of sample size}}} \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}\{\{fa-arrow-down\}\}} \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}{\bf{Specify the sampling plan}}} \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}\{\{fa-arrow-down\}\}} \tn 
% Row Count 12 (+ 1)
% Row 12
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{ac\}\}{\bf{Select the sample}}} \tn 
% Row Count 13 (+ 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}{Sample Design}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Technique or the procedure the researcher would adopt in selecting items for the sample. Sample design is determined before data are collected. It must consider:} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-caret-right\}\} the sampling frame} \tn 
% Row Count 5 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-caret-right\}\} technique of selection of sample} \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-caret-right\}\} sample size} \tn 
% Row Count 8 (+ 1)
\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}{Sampling Techniques}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{\{\{ac\}\}Sampling Techniques}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
{\bf{\{\{ac\}\}Random (Probability)}} & {\bf{\{\{ac\}\}Non random (Non probability)}} \tn 
% Row Count 3 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\{\{fa-caret-right\}\} Simple Random Sampling & \{\{fa-caret-right\}\} Judgement Sampling \tn 
% Row Count 6 (+ 3)
% Row 3
\SetRowColor{white}
\{\{fa-caret-right\}\} Stratified Sampling & \{\{fa-caret-right\}\} Snowball Sampling \tn 
% Row Count 8 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\{\{fa-caret-right\}\} Systematic Sampling & \{\{fa-caret-right\}\} Convenience Sampling \tn 
% Row Count 11 (+ 3)
% Row 5
\SetRowColor{white}
\{\{fa-caret-right\}\} Multistage Sampling & \{\{fa-caret-right\}\} Quota Sampling \tn 
% Row Count 13 (+ 2)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{\{\{fa-caret-right\}\} Cluster Sampling} \tn 
% Row Count 14 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{\{\{fa-info-circle\}\} Trick}} \newline \{\{fa-caret-right\}\} Random: {\bf{Simple Stratified System of Multistage Cluster}} \newline \{\{fa-caret-right\}\} Non-Random: {\bf{John Snow Convinces Queen}}}  \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}{Simple Random Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} Every individual or item from a frame has the same chance of selection as every other individual or item.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\}  n is used to represent the sample size and N is used to represent the frame size.} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} Every item in the frame is numbered from 1 to N. The chance that any particular member of the frame is selected on the first draw is 1/N.} \tn 
% Row Count 10 (+ 4)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} Random sample can be obtained by any of the following methods:} \tn 
% Row Count 12 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{~~\{\{fa-caret-right\}\}Lottery Method} \tn 
% Row Count 13 (+ 1)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{~~\{\{fa-caret-right\}\}Random number method} \tn 
% Row Count 14 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{~~\{\{fa-caret-right\}\}Random number generator (by different software)} \tn 
% Row Count 16 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Stratified Random Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\}  used when we have to select samples from a {\bf{heterogeneous population}} such as male and female, or educated and uneducated, etc} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} the population is divided into subgroups or strata and a simple random sample is taken from each such subgroup.} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} each stratum is homogeneous internally and heterogeneous with other strata.} \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} sampling can be either proportionate or disproportionate.} \tn 
% Row Count 10 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{} \tn 
% Row Count 10 (+ 0)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} {\bf{Advantages}}} \tn 
% Row Count 11 (+ 1)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{~~\{\{fa-caret-right\}\} increases a sample's statistical efficiency.} \tn 
% Row Count 13 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{~~\{\{fa-caret-right\}\} provides adequate data for analyzing the various subpopulations or strata} \tn 
% Row Count 16 (+ 3)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{~~\{\{fa-caret-right\}\} enables different research methods and procedures to be used in different strata.} \tn 
% Row Count 19 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Systematic Random Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\}  random selection of the first item and then the selection of a sample item at every kth interval.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} The interval k is fixed by dividing the population by sample size.} \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} K = Size of population / Size of sample required = N/n} \tn 
% Row Count 7 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Cluster Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\}  involves dividing the population into non overlapping areas or clusters.} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} in contrast to stratified random sampling where strata are homogeneous, cluster sampling identifies clusters that tend to be internally heterogeneous.} \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} cluster contains a wide variety of elements, and the cluster is a miniature, or microcosm, of the population. eg. city, homes, colleges, etc.} \tn 
% Row Count 10 (+ 4)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} Often clusters are naturally occurring groups of the population} \tn 
% Row Count 12 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} Two of the foremost advantages are convenience and cost.} \tn 
% Row Count 14 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Multistage Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} further development of the principle of cluster sampling.} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} consists of first selecting the clusters and then selecting a specified number of elements from each selected cluster is known as sub sampling or two stage sampling.} \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} clusters which form the units of sampling at the first stage are called the first stage units (fsu) or primary sampling units (psu)} \tn 
% Row Count 10 (+ 4)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} the elements within clusters are called second stage units (ssu).} \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Judgment Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} when elements selected for the sample are chosen by the judgment of the researcher} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} professional researchers might believe they can select a more representative sample than the random process will provide} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} saving time and money} \tn 
% Row Count 7 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} The sampling error cannot be determined objectively because probabilities are based on nonrandom selection.} \tn 
% Row Count 10 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} Example: Market selection for the construction of consumer price index} \tn 
% Row Count 12 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Snowball Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} subjects are selected based on referral from other survey respondents.} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} The researcher identifies a person who fits the profile of subjects wanted for the study. The researcher then asks this person for the names and locations of others who also fit the profile of subjects wanted for the study.} \tn 
% Row Count 7 (+ 5)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} particularly useful when subjects are difficult to locate} \tn 
% Row Count 9 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} survey subjects can be identified cheaply and efficiently} \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} main disadvantage is that it is nonrandom} \tn 
% Row Count 13 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Convenience Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\}  elements for the sample are selected for the convenience of the researcher} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} researcher typically chooses elements that are readily available, nearby or willing to participate.} \tn 
% Row Count 5 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} For example, a convenience sample of homes for door to door interviews might include houses people are at home, houses with no dogs, houses near the street, first floor apartments and houses with friendly people.} \tn 
% Row Count 10 (+ 5)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} If a research firm is located in a mall, a convenience sample might be selected by interviewing only shoppers who pass the shop and look friendly.} \tn 
% Row Count 14 (+ 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}{Quota Sampling}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\}  Certain population subclasses, such as age group, gender or geographical region are used as strata.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} instead of randomly sampling from each stratum, the researcher uses a nonrandom sampling method to gather data from each stratum until the desired quota of samples is filled.} \tn 
% Row Count 7 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} a quota is based on the proportions of the subclasses in the population.} \tn 
% Row Count 9 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{\{\{fa-chevron-right\}\} an interviewer would begin by asking a few filter questions; if the respondent represents a subclass whose quota has been filled, the interviewer would terminate the interview.} \tn 
% Row Count 13 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}