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In: Statistics and Probability

Listed below are body mass indices​ (BMI) of a sample of college students. The BMI of...

Listed below are body mass indices​ (BMI) of a sample of college students. The BMI of each student was measured in September and April of the freshman year. Use a 0.01 significance level to test the claim that the mean change in BMI for all students is equal to 0. Does BMI appear to change during freshman​ year? Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. April BMI 17.44 22.82 22.88 18.53 20.76 September BMI 19.70 22.40 24.24 18.37 20.27 Since the test statistic ▼ does not fall falls in the critical​ region, ▼ fail to reject reject the null hypothesis. There ▼ is not is sufficient evidence to warrant rejection of the claim that for the population of​ students, the mean change in BMI from September to April is equal to 0.

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DOES NOT , FAIL TO REJECT , IS NOT

orchestra answered 2 years ago
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