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[answered] Mimi was curious if regular excise really helps weight loss


Mimi was curious if regular excise really helps weight loss, hence she decided to perform a hypothesis test. A random sample of 5 UMUC students was chosen. The students took a 30- minute exercise every day for 6 months. The weight was recorded for each individual before and after the exercise regimen. Does the data below suggest that regular exercise helps weight loss?

Assume we want to use a 0.05 significance level to test the claim.

(a) Identify the null hypothesis and the alternative hypothesis.

  1. (b) ?Determine the test statistic. Show all work; writing the correct test statistic, without supporting work, will receive no credit.?
  2. (c) ?Determine the p-value. Show all work; writing the correct critical value, without supporting work, will receive no credit.?
  3. (d) ?Is there sufficient evident to support the claim that regular exercise helps weight loss? Justify your conclusion.

 


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