A food manufacturer claims that eating its new cereal as part of a daily diet lowers total blood cholesterol levels. The table shows the total blood cholesterol levels (in milligrams per deciliter of blood) of seven patients before eatin the cereal and after one year of eating the cereal as part of their diets. Use technology to test the mean difference. Assume the samples are random and dependent, and the population is normally distributed. At a = 0.05, can you conclude that the new cereal lowers total blood cholesterol levels? 1 Patient 2 4 5 6 Total Blood Cholesterol (Before) 205 225 230 245 245 270 220 215 Total Blood Cholesterol (After) 203 224 232 240 242 267 Let the blood cholesterol level before eating the cereal be population 1. Let the blood cholesterol level after eating the cereal be population 2. Identify the null and alternative hypotheses, where Hd ₁-₂. Choose the correct answer below. O A. Ho: Hd = 0 OB. Ho Hd #0 HA: Hd=0 HA: Hd #0 OC. Ho: Ha 50 OD. Ho Hd 20 HA: Hd <0 HA: Hd>0 Calculate the standardized test statistic. (Round to three decimal places as needed.) Calculate the P-value.
A food manufacturer claims that eating its new cereal as part of a daily diet lowers total blood cholesterol levels. The table shows the total blood cholesterol levels (in milligrams per deciliter of blood) of seven patients before eatin the cereal and after one year of eating the cereal as part of their diets. Use technology to test the mean difference. Assume the samples are random and dependent, and the population is normally distributed. At a = 0.05, can you conclude that the new cereal lowers total blood cholesterol levels? 1 Patient 2 4 5 6 Total Blood Cholesterol (Before) 205 225 230 245 245 270 220 215 Total Blood Cholesterol (After) 203 224 232 240 242 267 Let the blood cholesterol level before eating the cereal be population 1. Let the blood cholesterol level after eating the cereal be population 2. Identify the null and alternative hypotheses, where Hd ₁-₂. Choose the correct answer below. O A. Ho: Hd = 0 OB. Ho Hd #0 HA: Hd=0 HA: Hd #0 OC. Ho: Ha 50 OD. Ho Hd 20 HA: Hd <0 HA: Hd>0 Calculate the standardized test statistic. (Round to three decimal places as needed.) Calculate the P-value.
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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