When 45 people used a certain diet for one year, their weight losses had a standard deviation of 4.8 Ib. Use a 0.10 significance level to test the claim that the amounts of weight loss have a standard deviation equal to 5.5 Ib, which appears to be the standard deviation for the amounts of weight loss with a different diet. Assume that a simple random sample is selected from a normally distributed population. What are the correct hypotheses for this test? H: o Ib H;: o Ib Calculate the value of the test statistic. O (Round to two decimal places as needed.) Use technology to determine the P-value for the test statistic. The P-value is (Round to three decimal places as needed.) What is the conclusion at the 0.10 level of significance? v the level of significance, V the null hypothesis. There V sufficient evidence to conclude that the sample is from a population with a standard deviation not equal to Since the P-value is V Ib
When 45 people used a certain diet for one year, their weight losses had a standard deviation of 4.8 Ib. Use a 0.10 significance level to test the claim that the amounts of weight loss have a standard deviation equal to 5.5 Ib, which appears to be the standard deviation for the amounts of weight loss with a different diet. Assume that a simple random sample is selected from a normally distributed population. What are the correct hypotheses for this test? H: o Ib H;: o Ib Calculate the value of the test statistic. O (Round to two decimal places as needed.) Use technology to determine the P-value for the test statistic. The P-value is (Round to three decimal places as needed.) What is the conclusion at the 0.10 level of significance? v the level of significance, V the null hypothesis. There V sufficient evidence to conclude that the sample is from a population with a standard deviation not equal to Since the P-value is V Ib
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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