Guitars R US Has Three Stores Located in Three Different Areas

question 134

Essay

Guitars R. US has three stores located in three different areas. Random samples of the sales of the three stores in
$1000) are shown below.
$\begin{array}{lll}\text { Store } 1&\text { Store } 2&\text { Store } 3\\80 & 85 & 79 \\75 & 86 & 85 \\76 & 81 & 88 \\89 & 80 & \\80 & &\end{array}$
a. Compute the overall mean .
b. State the null and alternative hypotheses to be tested.
c. Show the complete ANOVA table for this test including the test statistic.
d. The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude?
e. Determine the p-value and use it for the test.

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Definitions:

Cost of Goods Manufactured

The total cost of manufacturing the goods that were completed during a specific accounting period, including labor, materials, and overhead.

Indirect Labor

Labor costs associated with employees who do not directly work on the production of goods or services but support the production process.

Machine Operators

Individuals responsible for setting up, operating, and maintaining machines in a manufacturing environment.

Direct Materials Used

Direct materials used are the raw materials directly incorporated into a product being manufactured, contributing to the cost of goods sold.