The Following Table Shows the Number of Employees Who Called

question 48

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.

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Definitions:

Positive Punishment

The addition of an undesirable stimulus to decrease a behavior, such as adding chores for breaking rules.

Texting

The act of sending and receiving short written messages via mobile phone.

Unpleasant Stimulus

An external factor that causes discomfort or displeasure, often used in psychological experiments to provoke a response.

Withdrawal

The discomfort and distress that follow discontinuing an addictive drug or behavior.