Adelyn

Advanced Placement (AP)

16 April, 19:48

The mean age of the employees at a large corporation is 35.2 years, and the standard deviation is 9.5 years. A random sample of 4 employees will be selected. What are the mean and standard deviation of the sampling distribution of the sample mean for samples of size 4? A. The mean is 35.2, and the standard deviation is 9.5. B. The mean is 35.2, and the standard deviation is 9.5/4. C. The mean is 35.2, and the standard deviation is 9.5/2. D. The mean is 35.2/4, and the standard deviation is 9.5/4. E. The mean is 35.2/2, and the standard deviation is 9.5/2.