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All questions from the top portion a,b, and c Several years ago, the mean height

ID: 3160105 • Letter: A

Question

All questions from the top portion a,b, and c 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 64.7 inches. State the appropriate null and alternative hypotheses to assess whether women are taller today. Suppose the P-value for this test is 0.08. Explain what this value represents. Write a conclusion for this hypothesis test assuming an alpha = 0 10 level of significance. State the appropriate null and alternative hypotheses to assess whether women are taller today. H_0: mu = 63.7 in. versus H_1: mu > 63.7 in. H_0: mu = 63.7 in. versus H_1: mu notequalto 63.7 in. H_0: mu = 64.7 in. versus H_1: mu > 64.7 in. H_0: mu = 63.7 in. versus H_1: mu

Explanation / Answer

A) AS GIVEN THE MEAN WEIGHT OF THE FEMALES WERE EARLIER 63.7

WHICH LATER INCREASED TO 64.7

HENCE THE NULL HYPOTHESIS = HO= U = 63.7

THE ALTERNATE HYPOTHESIS = Ha = u>63.7

therefore option A IS CORRECT