Asked by Anonymous
The following information is available.
H0: μ ≤ 10
H1: μ> 10
The sample mean is 12 for a sample of 36. The population standard deviation is 3.
Use the .02 significance level.
H0: μ ≤ 10
H1: μ> 10
The sample mean is 12 for a sample of 36. The population standard deviation is 3.
Use the .02 significance level.
Answers
Answered by
MathGuru
Formula:
z = (sample mean - population mean)/(standard deviation divided by the square root of the sample size)
With your data:
z = (12 - 10)/(3/√36)
Once you have the z-test statistic, check a z-table for a one-tailed test (H1 is showing a specific direction) at .02 level of significance. Compare the test statistic to the value you find in the table. Reject or fail to reject Ho.
I hope this will help get you started.
z = (sample mean - population mean)/(standard deviation divided by the square root of the sample size)
With your data:
z = (12 - 10)/(3/√36)
Once you have the z-test statistic, check a z-table for a one-tailed test (H1 is showing a specific direction) at .02 level of significance. Compare the test statistic to the value you find in the table. Reject or fail to reject Ho.
I hope this will help get you started.
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