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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 64.2 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 0.16. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a=0.10 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. O A. Ho =63.7 in. versus H,: µ<63.7 in. O B. Ho H= 64.2 in. versus H, p#64.2 in. O C. Ho =64.2 in. versus H,: p<64.2 in. O D. H, u=63.7 in. versus H,: p#63.7 in. O E. Ho = 63.7 in. versus H,: µ>63.7 in. O F. H, u=64.2 in. versus H,: µ> 64.2 in. (b) Suppose the P-value for this test is 0.16. Explain what this value represents. O A. There is a 0.16 probability of obtaining a sample mean height of 63.7 inches or taller from a population whose mean height is 64.2 inches. O B. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or taller from a population whose mean height is 63.7 inches. O C. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or shorter from a population whose mean height is 63.7 inches. O D. There is a 0.16 probability of obtaining a sample mean height of exactly 64.2 inches from a population whose mean height is 63.7 inches.

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 64.2 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 0.16. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a=0.10 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. O A. Ho =63.7 in. versus H,: µ<63.7 in. O B. Ho H= 64.2 in. versus H, p#64.2 in. O C. Ho =64.2 in. versus H,: p<64.2 in. O D. H, u=63.7 in. versus H,: p#63.7 in. O E. Ho = 63.7 in. versus H,: µ>63.7 in. O F. H, u=64.2 in. versus H,: µ> 64.2 in. (b) Suppose the P-value for this test is 0.16. Explain what this value represents. O A. There is a 0.16 probability of obtaining a sample mean height of 63.7 inches or taller from a population whose mean height is 64.2 inches. O B. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or taller from a population whose mean height is 63.7 inches. O C. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or shorter from a population whose mean height is 63.7 inches. O D. There is a 0.16 probability of obtaining a sample mean height of exactly 64.2 inches from a population whose mean height is 63.7 inches.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A. Stayed the appropriate null and alternative hypothesis to assess whether women are taller today.

b. Suppose the P value for this test is 0.16. Explain what this value represents.

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 64.2 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 0.16. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a= 0.10 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. O A. Ho u=63.7 in. versus H,: µ<63.7 in. O B. H, p=64.2 in. versus H, p/64.2 in. O C. H, u=64.2 in. versus H, µ<64.2 in. O D. H, p= 63.7 in versus H, p 637 in. 0' O E. H, p=63.7 in. versus H,p> 63.7 in. OF H, p=642 in versus H, p> 64.2 in. (b) Suppose the P-value for this test is 0.16. Explain what this value represents. O A. There is a 0.16 probability of obtaining a sample mean height of 63 7 inches or taller from a population whose mean helght is 64.2 inches. O B. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or taller from a population whose mean height is 63. 7 inches. O C. There is a 0.16 probability of obtaining a sample mean height of 64. 2 inches or shorter from a population whose mean height is 63.7 inches. O D. There is a 0.16 probability of obtaining a sample mean height of exactly 64 2 inches from a population whose mean height is 63.7 inches.
Transcribed Image Text: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 64.2 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 0.16. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a= 0.10 level of significance. (a) State the appropriate null and alternative hypotheses to assess whether women are taller today. O A. Ho u=63.7 in. versus H,: µ<63.7 in. O B. H, p=64.2 in. versus H, p/64.2 in. O C. H, u=64.2 in. versus H, µ<64.2 in. O D. H, p= 63.7 in versus H, p 637 in. 0' O E. H, p=63.7 in. versus H,p> 63.7 in. OF H, p=642 in versus H, p> 64.2 in. (b) Suppose the P-value for this test is 0.16. Explain what this value represents. O A. There is a 0.16 probability of obtaining a sample mean height of 63 7 inches or taller from a population whose mean helght is 64.2 inches. O B. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or taller from a population whose mean height is 63. 7 inches. O C. There is a 0.16 probability of obtaining a sample mean height of 64. 2 inches or shorter from a population whose mean height is 63.7 inches. O D. There is a 0.16 probability of obtaining a sample mean height of exactly 64 2 inches from a population whose mean height is 63.7 inches.
Several years ago, the mean height of women 20 years of today results in a mean height of 64.2 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 0.16. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a = 0.10 level of significance. t age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older O A. There is a 0.16 probability of obtaining a sample mean height of 63.7 inches or taller from a population whose mean height is 64.2 inches. O B. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or taller from a population whose mean height is 63.7 inches. O C. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or shorter from a population whose mean height is 63.7 inches. O D. There is a 0.16 probability of obtaining a sample mean height of exactly 64.2 inches from a population whose mean height is 63.7 inches. (c) Write a conclusion for this hypothesis test assuming an a = 0.10 level of significance. O A. Do not reject the null hypothesis. There is not sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. O B. Do not reject the null hypothesis. There is sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. OC. Reject the null hypothesis. There is sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. O D. Reject the null hypothesis. There is not sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today.
Transcribed Image Text:Several years ago, the mean height of women 20 years of today results in a mean height of 64.2 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 0.16. Explain what this value represents. (c) Write a conclusion for this hypothesis test assuming an a = 0.10 level of significance. t age or older was 63.7 inches. Suppose that a random sample of 45 women who are 20 years of age or older O A. There is a 0.16 probability of obtaining a sample mean height of 63.7 inches or taller from a population whose mean height is 64.2 inches. O B. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or taller from a population whose mean height is 63.7 inches. O C. There is a 0.16 probability of obtaining a sample mean height of 64.2 inches or shorter from a population whose mean height is 63.7 inches. O D. There is a 0.16 probability of obtaining a sample mean height of exactly 64.2 inches from a population whose mean height is 63.7 inches. (c) Write a conclusion for this hypothesis test assuming an a = 0.10 level of significance. O A. Do not reject the null hypothesis. There is not sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. O B. Do not reject the null hypothesis. There is sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. OC. Reject the null hypothesis. There is sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today. O D. Reject the null hypothesis. There is not sufficient evidence to conclude that the mean height of women 20 years of age or older is greater today.
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