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Use the above data to construct an ANOVA table to determine if there is a significant difference in the average birth weight amongst the four groups. Illustrate your findings graphically

Use the above data to construct an ANOVA table to determine if there is a significant difference in the average birth weight amongst the four groups. Illustrate your findings graphically

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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Question 2 (Hand Calculations) Researchers studied the association between birth mother's smoking habits and the birth weights of their babies. A sample of size n = 11 subjects was selected from each of the four groups. Group 1-nonsmokers Group 2 - smokers who smoked less that 1 pack per day Group 3-smokers who smoke more than 1 Pack but less than 2 packs per day Group 4-smokers who smoke more than 2 packs per day. Table: Birth weights (in grams) of infants of mothers (n = 11) in four smoking groups nonsmokers 3510 3174 3580 3232 3884 3982 4055 3459 3998 3852 3421 <1pack 3444 3111 2890 3002 2995 3101 3400 3764 2997 3031 3120 1 pack to 2 packs 2608 2555 3100 1775 2985 2479 2901 2778 2099 2500 2322 > 2 packs 2232 2331 2200 2121 2001 1566 1676 1783 2002 2118 1882 Use the above data to construct an ANOVA table to determine if there is a significant difference in the average birth weight amongst the four groups. Illustrate your findings graphically
Transcribed Image Text:Question 2 (Hand Calculations) Researchers studied the association between birth mother's smoking habits and the birth weights of their babies. A sample of size n = 11 subjects was selected from each of the four groups. Group 1-nonsmokers Group 2 - smokers who smoked less that 1 pack per day Group 3-smokers who smoke more than 1 Pack but less than 2 packs per day Group 4-smokers who smoke more than 2 packs per day. Table: Birth weights (in grams) of infants of mothers (n = 11) in four smoking groups nonsmokers 3510 3174 3580 3232 3884 3982 4055 3459 3998 3852 3421 <1pack 3444 3111 2890 3002 2995 3101 3400 3764 2997 3031 3120 1 pack to 2 packs 2608 2555 3100 1775 2985 2479 2901 2778 2099 2500 2322 > 2 packs 2232 2331 2200 2121 2001 1566 1676 1783 2002 2118 1882 Use the above data to construct an ANOVA table to determine if there is a significant difference in the average birth weight amongst the four groups. Illustrate your findings graphically
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