If your sample mean is 25, your population average is 5, and your standard error of the mean is 10, what is your observed z value?
A)5
B)2.5
C)−2
D)2

Name: If your sample mean is 25, your population average is 5, and your standard error of the mean is 10, what is your observed z value? A)5 B)2.5 C)−2 D)2
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The observed z value can be calculated using the formula (sample mean - population mean) / standard error of the mean = (25-5)/10 = 2. Therefore, the observed z value is 2.

If Your Sample Mean Is 25, Your Population Average Is