Required: (Your case study should be organized based on the above format; however, it should address the below questions)
1) Develop a graph or table that portrays the checking account balances by branch. What is the balance of the typical customer? Do many customers have more than $2,000 in their accounts? Does it appear that there is a difference in the distribution of the accounts among the four branches? Around what value do account balances cluster?
2) Determine the range and the standard deviation of the checking account balances. What do the first and third quartiles show? Determine the coefficient of skewness and explain what it shows. Because Mr. Zobus does not deal with statistics daily, include a brief description and interpretation of the measures that you use.
3) Is it reasonable that the distribution of checking account balances approximates a normal probability distribution? Determine the mean and the standard deviation for the sample