The following table displays unemployment information for each region of the United States in March 2013. The

Question:

The following table displays unemployment information for each region of the United States in March 2013. The unemployment numbers listed in the table are in thousands. For example, the Midwest was home to 2,525,600 unemployed residents when data were collected.

a. What are the mean and standard deviation unemployment numbers for all regions?
b. Using information from (a), how many regions fall more than 1 standard above the mean? How does this number compare with the number expected from the theoretical normal curve distribution?
c. Create a histogram representing the unemployment figures for all regions. Does the distribution appear to be normal? Explain your answer.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...