Question type-o
| Type of store | Average number of employees |
|---|---|
| Warehouse store | |
| Department store | |
| Supermarket |
For a certain region, the table shows the average number of store employees in by type of store. Based on the table, how much greater was the average number of store employees in warehouse stores than in supermarkets?
Type of store Average number of employees Warehouse store 365 Department store 213 Supermarket 130 For
Easy-difficulty · SAT Math · One-Variable Data & Statistics — Mean, median, mode, range. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.
Answer explanation
Choice C is correct. The table shows that for a certain region in , the average number of store employees in warehouse stores was and the average number of store employees in supermarkets was . Subtracting from yields , or . Therefore, the average number of store employees was greater in warehouse stores than in supermarkets.
Choice A is incorrect. For this region in , this is how much greater the average number of store employees was in department stores than in supermarkets.
Choice B is incorrect. For this region in , this is how much greater the average number of store employees was in warehouse stores than in department stores.
Choice D is incorrect. For this region in , this is the sum of the average number of store employees in warehouse stores and in supermarkets.
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