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77 AUG 5 Chapter 11: Section Exercises Divorced 78 212.52564 51.753844 5.8599689 Living with partner 61 198.29508 40.437748 5.1775231 Married Never married Separated Widowed ANOVA table MS F-Stat P-value Source df SS Treatments 5 89082.105 17816.421 9.1420934 <0.000-1 934 1820210.8 1948.8338 939 1909292.9 Error Total 507 208.13412 41.703425 1.8521141 184 184.49457 46.456631 3.4248283 20 208 42.631839 9.532769 90 209.58889 48.150955 5.0755563 a. Write the null and alternative hypotheses for the association between marital status and cholesterol. b. Identify the F-statistic from the StatCrunch output. c. Which marital status had the largest sample mean and which had the smallest sample mean? d. Assuming that you did find an association between marital status and cholesterol levels, would this association mean that marital status caused different cholesterol levels? Can you think of a confounding factor? N 590 Aa

77 AUG 5 Chapter 11: Section Exercises Divorced 78 212.52564 51.753844 5.8599689 Living with partner 61 198.29508 40.437748 5.1775231 Married Never married Separated Widowed ANOVA table MS F-Stat P-value Source df SS Treatments 5 89082.105 17816.421 9.1420934 <0.000-1 934 1820210.8 1948.8338 939 1909292.9 Error Total 507 208.13412 41.703425 1.8521141 184 184.49457 46.456631 3.4248283 20 208 42.631839 9.532769 90 209.58889 48.150955 5.0755563 a. Write the null and alternative hypotheses for the association between marital status and cholesterol. b. Identify the F-statistic from the StatCrunch output. c. Which marital status had the largest sample mean and which had the smallest sample mean? d. Assuming that you did find an association between marital status and cholesterol levels, would this association mean that marital status caused different cholesterol levels? Can you think of a confounding factor? N 590 Aa

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
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rritos College - Enroll today X " Sm,om, Dashboard 77 11.17 X AUG 5 plus.pearson.com/products/adec55de-25be-4331-9403-abf9e2add3f5/pages/abe8c5df60aa77a51039924dc89ebd4cc8778b324?location=%7B"id"%3... Homework 6 A O Chapter 11: Section Exercises Marital Status and Cholesterol (Example 4) Refer to the StatCrunch output from National Health and Nutrition Examination Survey (NHANES) data, which shows the association between marital status and cholesterol. Assume the population distributions are close enough to Normal to justify using ANOVA. Options Analysis of Variance results: Responses in Cholest. Factors in Marital. Factor means Marital X P SECTION 11.2 n Mean Std. dev Std. Error 78 212.52564 51.753844 5.8599689 Divorced Living with partner 61 198.29508 40.437748 5.1775231 Married 507 208.13412 41.703425 1.8521141 Never married 184 184.49457 46.456631 3.4248283 20 208 42.631839 9.532769 90 209.58889 48.150955 5.0755563 Separated Widowed ANOVA table Source df SS MS F-Stat P-value Treatments 5 89082.105 17816.421 9.1420934 <0.0001 934 1820210.8 1948.8338 939 1909292.9 Error Total PN N 590 Aa X ▶ + W 12 ☎ q 8 G
Transcribed Image Text:rritos College - Enroll today X " Sm,om, Dashboard 77 11.17 X AUG 5 plus.pearson.com/products/adec55de-25be-4331-9403-abf9e2add3f5/pages/abe8c5df60aa77a51039924dc89ebd4cc8778b324?location=%7B"id"%3... Homework 6 A O Chapter 11: Section Exercises Marital Status and Cholesterol (Example 4) Refer to the StatCrunch output from National Health and Nutrition Examination Survey (NHANES) data, which shows the association between marital status and cholesterol. Assume the population distributions are close enough to Normal to justify using ANOVA. Options Analysis of Variance results: Responses in Cholest. Factors in Marital. Factor means Marital X P SECTION 11.2 n Mean Std. dev Std. Error 78 212.52564 51.753844 5.8599689 Divorced Living with partner 61 198.29508 40.437748 5.1775231 Married 507 208.13412 41.703425 1.8521141 Never married 184 184.49457 46.456631 3.4248283 20 208 42.631839 9.532769 90 209.58889 48.150955 5.0755563 Separated Widowed ANOVA table Source df SS MS F-Stat P-value Treatments 5 89082.105 17816.421 9.1420934 <0.0001 934 1820210.8 1948.8338 939 1909292.9 Error Total PN N 590 Aa X ▶ + W 12 ☎ q 8 G
77 AUG 5 Chapter 11: Section Exercises Divorced 78 212.52564 51.753844 5.8599689 Living with partner 61 198.29508 40.437748 5.1775231 Married Never married Separated Widowed ANOVA table MS F-Stat P-value Source df SS Treatments 5 89082.105 17816.421 9.1420934 <0.000-1 934 1820210.8 1948.8338 939 1909292.9 Error Total 507 208.13412 41.703425 1.8521141 184 184.49457 46.456631 3.4248283 20 208 42.631839 9.532769 90 209.58889 48.150955 5.0755563 a. Write the null and alternative hypotheses for the association between marital status and cholesterol. b. Identify the F-statistic from the StatCrunch output. c. Which marital status had the largest sample mean and which had the smallest sample mean? d. Assuming that you did find an association between marital status and cholesterol levels, would this association mean that marital status caused different cholesterol levels? Can you think of a confounding factor? N 590 Aa
Transcribed Image Text:77 AUG 5 Chapter 11: Section Exercises Divorced 78 212.52564 51.753844 5.8599689 Living with partner 61 198.29508 40.437748 5.1775231 Married Never married Separated Widowed ANOVA table MS F-Stat P-value Source df SS Treatments 5 89082.105 17816.421 9.1420934 <0.000-1 934 1820210.8 1948.8338 939 1909292.9 Error Total 507 208.13412 41.703425 1.8521141 184 184.49457 46.456631 3.4248283 20 208 42.631839 9.532769 90 209.58889 48.150955 5.0755563 a. Write the null and alternative hypotheses for the association between marital status and cholesterol. b. Identify the F-statistic from the StatCrunch output. c. Which marital status had the largest sample mean and which had the smallest sample mean? d. Assuming that you did find an association between marital status and cholesterol levels, would this association mean that marital status caused different cholesterol levels? Can you think of a confounding factor? N 590 Aa
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