Question 11 Several years ago, the mean height of women 20 years of age or older
ID: 3436061 • Letter: Q
Question
Question 11
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 64.1 inches.
(a) State the appropriate null and alternative hypothesis to assess whether women are taller today.
(b) Suppose the P-value for this text is 0.03. Explain what this value represents.
(c) Write a conclusion for this hypothesis text assuming an ? =0.10 level of significance.
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(A) State the appropriate null and alternative hypothesis to assess whether women are taller today.
a. H0:
Explanation / Answer
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 64.1 inches.
a. state the appropriate null and alternative hypotheses to
assess whether women are taller today.
A. (H subscript 0: Mu=63.7 inches) vs. (H subscript 1: Mu >63.7 inches)-------------ANSWER
There is a 0.03 probability of obtaining a sample mean height of 64.1 inches or taller from a population whose mean height is 63.7 inches.-----------ANSWER
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