The Sales Records of Two Branches of a Department Store $\alpha$

question 14

Essay

The sales records of two branches of a department store over the last 12 months are shown below. (Sales figures are in thousands of dollars.)
Use $\alpha$ = 0.05 and test to determine if there is a significant difference in the populations of the sales of the two branches.

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Definitions:

Fixed Costs

Costs that do not fluctuate with the level of production or sales, such as rent and salaries.

Sales Mix

The ratio of various goods or services contributing to a company's overall sales.

Break-Even Point

The point at which total revenues equal total costs, and the business is neither making a profit nor incurring a loss.

Fixed Costs

Expenses that do not change with the level of goods or services produced over the short term.