The Following Table Shows the Number of Employees Who Called

Essay

The following table shows the number of employees who called in sick at a business for different days of a particular week.
$\begin{array} { r | c c c c c c c } \text { Day } & \text { Sun } & \text { Mon } & \text { Tues } & \text { Wed } & \text { Thurs } & \text { Fri } & \text { Sat } \\\hline \text { Number sick } & 8 & 12 & 7 & 11 & 9 & 11 & 12\end{array}$
I) At the 0.05 level of significance, test the claim that sick days occur with equal frequency on the different days of the week.
II) Test the claim after changing the frequency for Saturday to 152 . Describe the effect of this outlier on the test.