Suppose we want to test H0: μ ≥30  versus  H1: μ < 30.H0: μ ≥30  versus  H1: μ < 30. If we do not know the population standard deviation, but have a sample mean of 27 and sample standard deviation of 4, for a significance level of α = 0.05, what is the value of the test statistic for a sample size of 100?     0.4   7.5   -3.0   -7.5

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Suppose we want to test H0: μ ≥30  versus  H1: μ < 30.H0: μ ≥30  versus  H1: μ < 30. If we do not know the population standard deviation, but have a sample mean of 27 and sample standard deviation of 4, for a significance level of α = 0.05, what is the value of the test statistic for a sample size of 100?

 

 

0.4

 

7.5

 

-3.0

 

-7.5

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