Several years ago the mean height of women 20 years of age or older was 63 7 inc

Question

Several years ago the mean height of women 20 years of age or older was 63 7 inches Suppose that a random sample of 45 women who are 20 years of age or older today results in a mean height of 64.8 inches State the appropriate null and alternative hypotheses to assess whether women are taller today Suppose the P-value for this test is 0 11 Explain what this value represents Write a conclusion for this hypothesis test assuming an a = 0 05 level of significance Suppose the P-value for this test is 0 11 Explain what this value represents There is a 0 11 probability of obtaining a sample mean height of exactly 64 8 inches from a population whose mean height is 63 7 inches There is a 0 11 probability of obtaining a sample mean height of 64 8 inches or shorter from a population whose mean height is 63 7 inches There is a 0 11 probability of obtaining a sample mean height of 64 8 inches or taller from a population whose mean height is 63 7 inches There is a 0 11 probablity of obtai

Explanation / Answer

H0: The women are not taller than today

H1: The women are taller than today (right tail)

b)

Correct answer: Option (B)

c)

Correct Answer: Option (D)

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