A sample of n=30n=30 data values randomly collected from a normally distributed population has standard deviation s=2.6s=2.6. We wish to test the null hypothesis H0:σ=1.9H0:σ=1.9 against the alternative hypothesis H1:σ≠1.9H1:σ≠1.9 at a significance of α=0.01α=0.01. What is the value of the test statistic? Write your answer rounded to 3 decimal places. What are the critical values? Write your answers rounded to 3 decimal places. Lower CV: Upper CV: Do we reject the null hypothesis?

A sample of n=30n=30 data values randomly collected from a normally distributed population has standard deviation s=2.6s=2.6. We wish to test the null hypothesis H0:σ=1.9H0:σ=1.9 against the alternative hypothesis H1:σ≠1.9H1:σ≠1.9 at a significance of α=0.01α=0.01. What is the value of the test statistic? Write your answer rounded to 3 decimal places. What are the critical values? Write your answers rounded to 3 decimal places. Lower CV: Upper CV: Do we reject the null hypothesis?

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.2: Expected Value And Variance Of Continuous Random Variables

Problem 10E

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