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Exercise 5. The following data gives blood cholesterol levels of men in three different socioeconomic groups labeled I, II, III with I being the high end. I 403, 311, 269, 336, 259 II 312, 222, 302, 420, 420, 386, 353, 210, 286, 290 III 403 244 353 235 319 260 We want to test whether there is a significant difference at level 0.1 between the mean blood cholesterol of three groups. using (a) The Kruskal-Wallis test (using X² approximation). (b) ANOVA method (i.e. F-ratio test). (Assuming the data are all from normal distributions.) (c) Did you reach the same conclusions with the above two approaches? If not, explain.

Exercise 5. The following data gives blood cholesterol levels of men in three different socioeconomic groups labeled I, II, III with I being the high end. I 403, 311, 269, 336, 259 II 312, 222, 302, 420, 420, 386, 353, 210, 286, 290 III 403 244 353 235 319 260 We want to test whether there is a significant difference at level 0.1 between the mean blood cholesterol of three groups. using (a) The Kruskal-Wallis test (using X² approximation). (b) ANOVA method (i.e. F-ratio test). (Assuming the data are all from normal distributions.) (c) Did you reach the same conclusions with the above two approaches? If not, explain.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Exercise 5. The following data gives blood cholesterol levels of men in three different socioeconomic groups labeled I, II, III with I being the high end. I 403, 311, 269, 336, 259 II 312, 222, 302, 420, 420, 386, 353, 210, 286, 290 III 403 244 353 235 319 260 We want to test whether there is a significant difference at level 0.1 between the mean blood cholesterol of three groups. using (a) The Kruskal-Wallis test (using X² approximation). (b) ANOVA method (i.e. F-ratio test). (Assuming the data are all from normal distributions.) (c) Did you reach the same conclusions with the above two approaches? If not, explain.
Transcribed Image Text:Exercise 5. The following data gives blood cholesterol levels of men in three different socioeconomic groups labeled I, II, III with I being the high end. I 403, 311, 269, 336, 259 II 312, 222, 302, 420, 420, 386, 353, 210, 286, 290 III 403 244 353 235 319 260 We want to test whether there is a significant difference at level 0.1 between the mean blood cholesterol of three groups. using (a) The Kruskal-Wallis test (using X² approximation). (b) ANOVA method (i.e. F-ratio test). (Assuming the data are all from normal distributions.) (c) Did you reach the same conclusions with the above two approaches? If not, explain.
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