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Calculate a 95% confidence interval (show your work) for the population mean of total cholesterol levels among those taking medium carbohydrate diet and use the confidence interval to draw a conclusion as to whether there is a difference in cholesterol levels. Choose the correct statement.

Calculate a 95% confidence interval (show your work) for the population mean of total cholesterol levels among those taking medium carbohydrate diet and use the confidence interval to draw a conclusion as to whether there is a difference in cholesterol levels. Choose the correct statement.

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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In a study of carbohydrate diet, an investigator wishes to test a hypothesis test for whether the population mean of cholesterol level among individuals taking medium carbohydrate diet for 4 months is different than 7.8 mmol/L. A simple random sample (SRS) of 30 study participants is conducted. Subjects are randomized to receive medium carbohydrate diet for 4 months. The total cholesterol level, at the time of entering the study had an average of 5.20 mmol/L and standard deviation of 1.3 mmol/L. Calculate a 95% confidence interval (show your work) for the population mean of total cholesterol levels among those taking medium carbohydrate diet and use the confidence interval to draw a conclusion as to whether there is a difference in cholesterol levels. Choose the correct statement. None of the choices are correct. (4.7492, 5.6508) Reject HO since value of null hypothesis, 7.8 does not fall in this range. (4.7492, 5.6508) Do not reject HO since value of null hypothesis, 5.20 does fall in this range. (4.8216, 5.5783) Reject HO since value of null hypothesis, 7.8 does not fall in this range.
Transcribed Image Text:In a study of carbohydrate diet, an investigator wishes to test a hypothesis test for whether the population mean of cholesterol level among individuals taking medium carbohydrate diet for 4 months is different than 7.8 mmol/L. A simple random sample (SRS) of 30 study participants is conducted. Subjects are randomized to receive medium carbohydrate diet for 4 months. The total cholesterol level, at the time of entering the study had an average of 5.20 mmol/L and standard deviation of 1.3 mmol/L. Calculate a 95% confidence interval (show your work) for the population mean of total cholesterol levels among those taking medium carbohydrate diet and use the confidence interval to draw a conclusion as to whether there is a difference in cholesterol levels. Choose the correct statement. None of the choices are correct. (4.7492, 5.6508) Reject HO since value of null hypothesis, 7.8 does not fall in this range. (4.7492, 5.6508) Do not reject HO since value of null hypothesis, 5.20 does fall in this range. (4.8216, 5.5783) Reject HO since value of null hypothesis, 7.8 does not fall in this range.
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