Question: A health spa claims that a new exercise program will reduce a persons waist size by 2 centimeters on average over a 5-day period. The
A health spa claims that a new exercise program will reduce a person’s waist size by 2 centimeters on average over a 5-day period. The waist sizes, in centimeters, of 6 men who participated in this exercise program are recorded before and after the 5-day period in the following table:
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