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25.02.2020 •
Mathematics
Deidre does not think exercise makes a difference in weight loss when trying to lose weight. She gets two random samples of the amount of weight lost between those with exercise and those without. The top graph shows the amount of weight lost for those with exercise and the bottom graph shows the amount of weight lost for those without exercise. Which statement correctly compares the distributions?
A) Those who did not exercise lost 5 more pounds than those who did exercise.
B) Those who did not exercise lost 2 fewer pounds than those who did exercise.
C) Those who exercised had more consistent weight loss than those who did not exercise.
D) On average, those who exercised lost about 4 more pounds than those who did not exercise.
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Ответ:
Answer = c
Step-by-step explanation:Since the medians are approximately the same they lost on average around the same amount regardless of exercise. Notice that the range of those with exercise is smaller though so they were more consistent in the amount of weight lost.
Ответ: