Multiple Choice
Suppose a sample of n = 50 items is selected from a population of manufactured products and the weight,X,of each item is recorded.Prior experience has shown that the weight has a probability distribution with μ= 6 ounces and σ = 2.5 ounces.Which of the following is true about the sampling distribution of the sample mean if a sample size of 15 is selected?
A) The mean of the sampling distribution is 6 ounces.
B) The standard deviation of the sampling distribution is 2.5 ounces.
C) The shape of the sampling distribution is approximately normal.
D) All of the above are correct.
Correct Answer:
Verified
Correct Answer:
Verified
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