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Solved: In a research report, Richard H. Weindruch of the
Chapter 10, Problem 10.19(choose chapter or problem)
In a research report, Richard H. Weindruch of the UCLA Medical School claims that mice with an average life span of 32 months will live to be about 40 months old when 40% of the calories in their diet are replaced by vitamins and protein. Is there any reason to believe that <40 if 64 mice that are placed on this diet have an average life of 38 months with a standard deviation of 5.8 months? Use a P-value in your conclusion.
Questions & Answers
QUESTION:
In a research report, Richard H. Weindruch of the UCLA Medical School claims that mice with an average life span of 32 months will live to be about 40 months old when 40% of the calories in their diet are replaced by vitamins and protein. Is there any reason to believe that <40 if 64 mice that are placed on this diet have an average life of 38 months with a standard deviation of 5.8 months? Use a P-value in your conclusion.
ANSWER:Problem 10.19
In a research report, Richard H. Weindruch of the UCLA Medical School claims that mice with an average lifespan of 32 months will live to be about 40 months old when 40% calories in their diet are replaced by vitamins and protein. Is there any reason to believe that
Step by step solution
Step 1 of 4
Test whether the population mean m is less than 40 or not.
The null and alternative hypothesis are,
Since, the sample size is greater than 30, the use one sample z-test to test the claim.
The formula for the test statistic is,
