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Answer to Question #53372 in Statistics and Probability for Bob
Question #53372
A population has a mean of 500 and a standard deviation of 50. A sample of 40 will be taken and the sample mean x̄ will be used to estimate the population mean. Assume that the population is infinite.
What is the standard deviation of x̄?
a. 1.25
b. 7.91
c. 40
d. 50
What is the standard deviation of x̄?
a. 1.25
b. 7.91
c. 40
d. 50
Expert's answer
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