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homework_nowA sample of 30 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.05 significance level. |
H0 : μ ≤ 20 |
H1 : μ > 20 |
A sample of 30 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 6. Conduct the following test of hypothesis using the 0.05 significance level. |
H0 : μ ≤ 20 |
H1 : μ > 20 |