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The single normal population variance is known to make a hypothesis test for the mean

Category: Classic physics
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1,Enter a known standard deviation in the following input box (you can also enter the standard deviation with the known variance after the letter q) :
2,Input each sample value or sample size plus calculated sample mean:
Enter each sample value Enter the sample capacity and the average value of the sample.
Enter the sample values in the following multi-line input box separated by commas or blank characters
3,Select the significance level α：
0.1 0.05 0.025 0.01 0.005 0.001
4,Set the hypothesis option (original hypothesis is H0,alternative hypothesis is H1)：
H0:μ=μ0, H1:μ≠μ0
H0:μ≤μ0, H1:μ>μ0
H0:μ≥μ0, H1:μ<μ0
Enter μ0 in the input box,μ0＝
5,Click the "Start Inspection" button on the right to start the inspection.

It is known that the overall X obeys a normal distribution with a mean of μ, a standard deviation of σ, and a variance of σ2, ie X~ N(μ,σ2),          This page deals with the case where the variance or standard deviation is known to make a hypothesis test on the mean. The test statistic is

。

 

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