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to reject the manufacturer's claim? 1.State the test hypotheses. Ho: vs. H₁: 2. what is its sampling distribution?( normal or t-student or Chi square or F distribution) 3. Find the test statistic ITA is mere enough evidence

to reject the manufacturer's claim? 1.State the test hypotheses. Ho: vs. H₁: 2. what is its sampling distribution?( normal or t-student or Chi square or F distribution) 3. Find the test statistic ITA is mere enough evidence

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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QUESTION 2 A cigarette manufacturer wishes to test the claim that the variance of nicotine content of its cigarettes is less than 0.0644. Nicotine content is measured in milligrams and is assumed normally distributed. A sample of 20 cigarettes has a mean of 1.00 milligram with a standard deviation 0.17. At 0.05 level of significance, is there enough evidence to reject the manufacturer's claim? 1.State the test hypotheses. Ho: vs. H₁: 2. what is its sampling distribution?( normal or t-student or Chi square or F distribution) 3. Find the test statistic 4. What is the critical value? 4. What is your decision regarding Ho? Reject Ho or don't reject Ho?
Transcribed Image Text:QUESTION 2 A cigarette manufacturer wishes to test the claim that the variance of nicotine content of its cigarettes is less than 0.0644. Nicotine content is measured in milligrams and is assumed normally distributed. A sample of 20 cigarettes has a mean of 1.00 milligram with a standard deviation 0.17. At 0.05 level of significance, is there enough evidence to reject the manufacturer's claim? 1.State the test hypotheses. Ho: vs. H₁: 2. what is its sampling distribution?( normal or t-student or Chi square or F distribution) 3. Find the test statistic 4. What is the critical value? 4. What is your decision regarding Ho? Reject Ho or don't reject Ho?
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