We are interested in determining whether or not the variances of the sales at two small grocery stores are equal. A sample of 21 days of sales at Store A and a sample of 16 days of sales at Store B indicated the following. 
a.Provide the hypotheses to be tested.
b.Compute the test statistic.
c.Determine the critical value of F at 95% confidence.
d.Compute the p-value and use it to test the above hypotheses.
Definitions:
Capital
Financial assets or the financial value of assets, such as cash and goods, used by an individual or company to fund its operations and facilitate growth.
Competing Corporations
Companies operating in the same industry, market, or field that vie for the same customer base and resources.
Robinson-Patman Act
Legislation aimed at eliminating discrimination in pricing and promotional allowances among purchasers of the same product.
Cost Justification
The process of demonstrating that a proposed expenditure or investment is worthwhile based on the anticipated benefits exceeding the costs.
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