The Mean, Standard Deviation, and Sampling Distribution of the Sample Mean
The Mean and Standard Deviation of the Sample Mean
1. Random samples of sizeare drawn from a population with mean and standard deviation . Find the mean and standard deviation of the sample mean.
3. A population has meana. Random samples of size and standard deviation . are taken. Find the mean and standard deviation of the sample mean.
b. How would the answers to part (a) change if the size of the samples wereinstead of ?