2.126 Adequate sleep and exercise. Refer to the previous exercise.

1. (a) Find the distribution of exercise for those who get adequate sleep.

2. (b) Do the same for those who do not get adequate sleep.

3. (c) Write a short summary of the relationship between adequate sleep and exercise using the results of parts (a) and (b).

4. (d) Compare this summary with your summary from part (c) of the previous exercise. Which do you prefer? Give a reason for your answer.