An Industrial Psychologist Conducted an Experiment in Which 40 Employees $\begin{array} { l l l l l } 124 & 132 & 147 & 151 & 147 \end{array}$

An industrial psychologist conducted an experiment in which 40 employees that were identified as ʺchronicallytardyʺ by their managers were divided into two groups of size 20. Group 1 participated in the new ʺItʹs Great tobe Awake!ʺ program, while Group 2 had their pay pay docked. The following data represent the number ofminutes that employees in Group 1 were late for work after participating in the program. $\begin{array} { l l l l l } 124 & 132 & 147 & 151 & 147 \end{array}$
$\begin{array} { l l l l l } 163 & 148 & 183 & 138 & 141 \end{array}$
$\begin{array} { l l l l l } 153 & 129 & 138 & 153 & 158 \end{array}$
$\begin{array} { l l l l l } 159 & 159 & 160 & 131 & 153 \end{array}$

A) normally distributed
B) not normally distributed