A sample of 36 observations is selected from a normal population The sample mean is 21, and the population standard deviation is 5 Conduct the following test of hypothesis using the 0 05 significance level H 0 20 H 1 20 a Is this a one or two tailed test multiple choice 1 One tailed the alternate hypothesis is greater than direction Correct Two tailed the alternate hypothesis is different from direction

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Question: A sample of 36 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 5. Conduct the

A sample of 36 observations is selected from a normal population. The sample mean is 21, and the population standard deviation is 5. Conduct the following test of hypothesis using the 0.05 significance level. H₀: 20 H₁: > 20 a. Is this a one- or two-tailed test? multiple choice 1

"One-tailed"the alternate hypothesis is greater than direction. Correct
"Two-tailed"the alternate hypothesis is different from direction.

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