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
Section: Chapter Questions
Problem 1P
Related questions
Question
11.17 only
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77
11.17
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AUG
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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
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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

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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