Use a ?² Test to Test the Claim That in the Given

question 23

Essay

Use a ?² test to test the claim that in the given contingency table, the row variable and the column variable are independent
-The following table shows the number of employees who called in sick at a business for different days of a particular week. $$\begin{array} { l | l l l l l l l } \text { Day } & \text { Sun}& \text { Mon }& \text {tues}& \text { Wed }&\text { Thurs }& \text { Fri }& \text { Sat } \\\hline \text { Number sick } & 8 & 12 & 7 & 11 & 9 & 11 & 12\end{array}$$ 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:

International Trade Agreement

A treaty or accord between countries that governs the rules and guidelines for trade between the signatories.

Supply Chain

The entire process of making and selling commercial goods, including raw material gathering, manufacture, distribution, and sale.

Target Markets

Specific groups of potential customers towards which a business directs its marketing efforts and products.

Marketing Concept

A management orientation that focuses on identifying and meeting the needs and desires of consumers.