The mean and standard deviation for a process for which we have a substantial history are ? µ = 120 and σ = 2. For the x-bar chart, a sample size of 16 will be used. What is the mean of the sampling distribution?
A) 1/8 (0.125)
B) 7.5
C) 2
D) 40
E) 120

Question

Quizplus · Accepted Answer

The mean of the sampling distribution (also known as the central limit theorem) is equal to the mean of the population, which in this case is given as 120. Therefore, the answer is E. Choices A, B, C, and D are all incorrect as they do not accurately reflect the central limit theorem.

The Mean and Standard Deviation for a Process for Which