Shelf Level
Shelf Height May Affect the Volume of Sales

question 93

Essay

Shelf Level
Shelf height may affect the volume of sales for a product.In order to determine whether or not there is any effect on average sales due to product shelf height,a marketing consultant chooses four typical outlets,a supermarket,a drug store,a discount store,and a variety store,and for one week places the product chosen at one eye level.A resting week follows and the product is moved to another height and so on for three different heights.The number of units sold per week at each location and height are: $$\begin{array}{l}\text { Shelf Level }\\\begin{array} { | l | c c c | } \hline \text { Store } & \text { Above } & \text { Even } & \text { Below } \\\hline \text { Discount } & 54 & 55 & 49 \\\text { Supermarket } & 63 & 60 & 56 \\\text { Drug Store } & 52 & 52 & 47 \\\text { Variety } & 44 & 48 & 41 \\\hline\end{array}\end{array}$$
-Test the following hypotheses at the 5% significance level:
H₀ : Mean sales of shelf levels are equal
H₁: Mean sales of shelf levels are not equal
Test statistic = ____________________ = ____________________
Critical Value = ____________________
Conclusion: ________________________
Interpretation: ______________________________________

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Definitions:

Ending Inventory

The total value of goods available for sale at the end of an accounting period, calculated as beginning inventory plus purchases minus cost of goods sold.

Net Income

The total profit of a company after all expenses and taxes have been deducted from revenues, indicating the actual profitability of the company over a specified time period.

Bad Debt Expense

The estimated amount of accounts receivable that a company does not expect to collect, treated as an expense on the income statement.

Depreciation Expense

The allocation of the cost of a tangible asset over its useful life, reflecting wear and tear, obsolescence, or decline in value.