Merge branch 'master' of https://github.com/Dekker1/ResearchMethods

wk7/week7.tex

@@ -26,6 +26,76 @@
 
 	\section{Results} \label{sec:results}
 
+	\subsection{The advantage of height}
+
+	\begin{table}[ht]
+		\centering
+		\label{tab:chi-height}
+		\begin{tabular}{|l|r|r|r|r|}
+			\hline
+												& \textbf{M: 168 - 188} & \textbf{M: 189 - 210} & \textbf{F: 155 - 171} & \textbf{F: 172 - 189} \\ \hline
+		\textbf{1 - 99}    & 67 / 73               & 32 / 26               & 38 / 42               & 60 / 55               \\
+		\textbf{100 - 199} & 69 / 72               & 30 / 26               & 31 / 27               & 32 / 36               \\
+		\textbf{200 - 299} & 75 / 68               & 17 / 25               & 18 / 17               & 22 / 23               \\
+		\textbf{300 - 399} & 61 / 60               & 21 / 23               & 11 /12                & 17 / 16               \\
+		\textbf{400 - 499} & 59 / 60               & 22 / 22               & 7 / 6
+		& 7 / 8 \\
+		\hline
+		\end{tabular}
+		\caption{Observed / Expected values used for the $\chi^2$-test. The groups are divided by their rank (vertical) and, per gender, their height (horizontal).}
+	\end{table}
+
+	$$
+		\chi^2 \approx 7.697606186049128
+	$$
+
+	$$
+		df = (5-1)(4-1) = 12
+	$$
+
+	$$
+		\chi^2(7.69\dots,12) \approx 0.8082925814979871
+	$$
+
+
+	\textbf {t-test men:} T score: 1.711723, P score: 0.043815
+
+	\textbf {t-test women:} T score: 1.860241, P score: 0.032030
+
+
+	\subsection{The advantage of left-handedness}
+
+	\begin{table}[ht]
+		\centering
+		\label{tab:chi-hand}
+		\begin{tabular}{|l|l|l|l|l|l|}
+		\hline
+								& \textbf{1 - 99} & \textbf{100 - 199} & \textbf{200 - 299} & \textbf{300 - 399} & \textbf{400 - 499} \\
+		\hline
+		\textbf{L} & 22 / 21         & 23 / 18            & 17 / 15            & 6  / 12            & 8 / 10             \\
+		\textbf{R} & 174 / 177       & 139 / 144          & 117 / 119          &
+		105 / 98           & 88 / 86 \\
+		\hline
+		\end{tabular}
+		\caption{Observed / Expected values used for the $\chi^2$-test. The groups are divided by which hand they use (vertical) and their rank (horizontal).}
+	\end{table}
+
+
+	$$
+		\chi^2 \approx 6.467312944404331
+	$$
+
+	$$
+		df = (2-1)(5-1) = 4
+	$$
+
+	$$
+		\chi^2(6.46\dots,4) \approx 0.1668616190847413
+	$$
+
+	\textbf {t-test:} T score: 0.451694, P score: 0.325815
+
+
 	\section{Discussion} \label{sec:discussion}
 
 \end{document}