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 ounces and ounces.Which of the following is true about the sampling distribution of the sample mean if a sample of size 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 the above are correct.

Question

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  ounces and  ounces.Which of the following is true about the sampling distribution of the sample mean if a sample of size 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 the above are correct.

Quizplus · Accepted Answer

The Answer of 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  ounces and  ounces.Which of the following is true about the sampling distribution of the sample mean if a sample of size 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 the above are correct.

Suppose a Sample of N = 50 Items Is Selected