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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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