Multiple Choice
An experiment involves randomly selecting a sample of 256 middle managers for study. One item of
Interest is their mean annual income. The sample mean is computed to be $35,420 and the sample
Standard deviation is $2,050. What is the standard error of the mean?
A) $5.65
B) $128.13
C) $138.36
D) $2,050
E) $8.01
Correct Answer:
Verified
Correct Answer:
Verified
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