Evaluating statistical claims: advanced

A company wants to study the effects of its new protein shake on muscle gain.

50

people who exercise regularly and

50

people who do not exercise regularly were selected for the study. The people who do not exercise regularly were given the shake, while the people who exercise regularly were not. The results showed that, on average, the group that received the shake did not gain any muscle mass. Based on the information provided, which of the following is an appropriate conclusion?

(Choice A)
The shake will not help anyone gain muscle mass.
(Choice B)
The shake can only help people who exercise regularly gain muscle mass.
(Choice C)
People who do not exercise regularly are likely to gain more muscle mass without the shake than with the shake.
(Choice D)
None of the conclusions are appropriate.

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Digital SAT Math

Course: Digital SAT Math > Unit 11

Problem