Question
Please use a TI-84 calculator with explanation and steps to solve the problem. Several years?ago, the mean height of women 20 years of age or
Please use a TI-84 calculator with explanation and steps to solve the problem.
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.
?(b) Suppose the?P-value for this test is 0.17. Explain what this value represents.
?(c) Write a conclusion for this hypothesis test assuming an ?=0.10 level of significance.
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