Solution-Weight-lifting coach claims that weight-lifters

Weight-lifting coach claims that weight-lifters

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Reference no: EM131397407

A weight-lifting coach claims that weight-lifters can increase their strength by taking a certain supplement. To test the theory, the coach randomly selects 9 athletes and gives them a strength test using a bench press. The results are listed below. Thirty days later, after regular training using the supplement, they are tested again. The new results are listed below. Test the claim that the supplement is effective in increasing the athletes' strength. Use α = 0.05. Assume that the distribution in question is normally distributed.

Athlete	1	2	3	4	5	6	7	8	9
Before	215	240	188	212	275	260	225	200	185
After	225	245	188	210	282	275	230	195	190

Reference no: EM131397407

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Weight-lifting coach claims that weight-lifters : A weight-lifting coach claims that weight-lifters can increase their strength by taking a certain supplement. To test the theory, the coach randomly selects 9 athletes and gives them a strength test using a bench press.

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Weight-lifting coach claims that weight-lifters

Reference no: EM131397407

Reference no: EM131397407

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