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-The peak shopping time at a pet store is between 8-11:00 am on Saturday mornings. Management at the pet store randomly selected 35 customers last Saturday morning and decided to observe their shopping habits. They recorded the number of items that a sample of the customers purchased as well as the total time the customers spent in the store. Identify the types of variables recorded by the pet store.
A) number of items - discrete; total time - continuous
B) number of items - continuous; total time - continuous
C) number of items - continuous; total time - discrete
D) number of items - discrete; total time - discrete

Question

Quizplus · Accepted Answer

The number of items is a discrete variable because it can only take on integer values (you can't buy half an item). The total time spent in the store is a continuous variable because time can be measured in infinitely divisible units.

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