Grace conducted a study to show how many hours her dog sleeps after having one or two hours of exercise. She set up a two-way table in four different ways. Which table will best represent Grace’s data?

To determine if there is a relationship between the number of hours of exercise and the number of hours the dog sleeps, we must compare both of these pieces of information.

The only table that compares these two types of information is the last one. The first chart compares number of hours of sleep to number of hours of sleep; the second chart compares the number of hours of exercise to the number of hours of exercise; the third chart compares the number of hours of exercise to the number of hours of exercise.

fichoh fichoh · Answer 2 · 2021-10-22T14:38:21+02:00

Creating a two - way table should have the dependent and independent variable arranged seperately on the columns and rows respectively. Hence, the best table to represent the data is the Table D.

The explanatory variable is the number of hours of exercise which the dog is subjected to ;

The measured variable is the number of hours of sleep the dog after the exercise.

Hence, the number of hours of sleep should be arranged on either the rows or column without mixing the explanatory variable with them.

Therefore, only table D, seperates the dependent and independent variables into rows and columns respectively.

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