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Using the data provided in question 1, assume now that the data was obtained from two indeper dent samples. That is, 28 subjects were enrolled into the study, and half were randomly assigne to the corn flakes diet, and half to the oat bran diet. After two weeks the LDL cholesterol level each individual was recorded. (a) What are the appropriate null and alternative hypotheses for a two-sided test? (b) Conduct the test at the 0.05 level of significance. What is the p-value?

Using the data provided in question 1, assume now that the data was obtained from two indeper dent samples. That is, 28 subjects were enrolled into the study, and half were randomly assigne to the corn flakes diet, and half to the oat bran diet. After two weeks the LDL cholesterol level each individual was recorded. (a) What are the appropriate null and alternative hypotheses for a two-sided test? (b) Conduct the test at the 0.05 level of significance. What is the p-value?

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
Section: Chapter Questions
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2. Using the data provided in question 1, assume now that the data was obtained from two indepen- dent samples. That is, 28 subjects were enrolled into the study, and half were randomly assigned to the corn flakes diet, and half to the oat bran diet. After two weeks the LDL cholesterol level of each individual was recorded. (a) What are the appropriate null and alternative hypotheses for a two-sided test? (b) Conduct the test at the 0.05 level of significance. What is the p-value? (c) What do you conclude? (d) Construct a 95% confidence interval. (e) Compare the results obtained in this problem with the results obtained in question 1.
Transcribed Image Text:2. Using the data provided in question 1, assume now that the data was obtained from two indepen- dent samples. That is, 28 subjects were enrolled into the study, and half were randomly assigned to the corn flakes diet, and half to the oat bran diet. After two weeks the LDL cholesterol level of each individual was recorded. (a) What are the appropriate null and alternative hypotheses for a two-sided test? (b) Conduct the test at the 0.05 level of significance. What is the p-value? (c) What do you conclude? (d) Construct a 95% confidence interval. (e) Compare the results obtained in this problem with the results obtained in question 1.
LDL (mmol/l) Subject Corn Flakes Oat Bran 1 4.61 3.84 6.42 5.57 3 5.40 5.85 4 4.54 4.80 3.98 3.68 6. 3.82 2.96 7 5.01 4.41 4.34 3.72 3.80 3.49 10 4.56 3.84 11 5.35 5.26 12 3.89 3.73 13 2.25 1.84 14 4.24 4.14
Transcribed Image Text:LDL (mmol/l) Subject Corn Flakes Oat Bran 1 4.61 3.84 6.42 5.57 3 5.40 5.85 4 4.54 4.80 3.98 3.68 6. 3.82 2.96 7 5.01 4.41 4.34 3.72 3.80 3.49 10 4.56 3.84 11 5.35 5.26 12 3.89 3.73 13 2.25 1.84 14 4.24 4.14
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