(*) A random sample of 20 observations produced a sample mean of ????????= 92.4 and s =...
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Question:
(*) A random sample of 20 observations produced a sample mean of ????????̅= 92.4 and s = 25.8. What is the value of the standard error of ????????̅?
a. 4.6
b. 15.9
c. 1.3
d. 5.8
e. 2.6
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