You have a sample mean of 11,a population average of 17,and a standard error of the mean of 3.Calculate the observed z value.
A)14.0
B)8.0
C)-2.0
D)2.2

Name: You have a sample mean of 11,a population average of 17,and a standard error of the mean of 3.Calculate the observed z value. A)14.0 B)8.0 C)-2.0 D)2.2
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Question

Quizplus · Accepted Answer

The observed z value can be calculated using the formula: 
z = (sample mean - population mean) / standard error of the mean
z = (11 - 17) / 3
z = -2.0. Therefore, the correct choice is C.

You Have a Sample Mean of 11,a Population Average of 17,and