# Standard Deviation and Century National Bank

Topics: Standard deviation, Skewness, Arithmetic mean Pages: 2 (464 words) Published: October 12, 2012
Century National Bank

The following case will appear in subsequent review sections. Assume that you work in the Planning Department of the Century National Bank and report to Ms. Lamberg. You will need to do some data analysis and prepare a short written report. Remember, Mr. Selig is the president of the bank, so you will want to ensure that your report is complete and accurate. A copy of data appears in Appendix N. (EXCEL)

Century National Bank has offices in several cities in the Midwest and the southeastern part of the United States. Mr. Dan Selig, president and CEO, would like to know the characteristics of his checking account customers. What is the balance of a typical customer?

How many other bank services do the checking account customers use? Do the customers use the ATM service and, if so, how often? What about debit cards? Who uses them, and how often are they used?

To better understand the customers, Mr. Selig asked Ms. Wendy Lamberg, director of planning, to select a sample of customers and prepare a report. To begin, she has appointed a team from her staff. You are the head of the tea m and responsible for preparing the report. You select a random sample of 60 customers. In addition to the balance in each account at the end of the last month, you determine: (1) the number of ATM transactions in the last month; (2) the number of other bank services (a savings account a certificate of deposit, etc.) the customer uses; (3) whether the customer has a debit card (this is a bank service in which charges are made directly to the customer’s account) and (4) whether or not interest is paid on the checking account. The sample includes customers from the branches in Cincinnati, Ohio; Atlanta, GA; Louisville KY; and Erie PA.

1. Develop a graph or table that portrays the checking balances. What is the balance of a typical customer? Do many customers have more than \$2,000 in their accounts? Does it appear that there is a difference in the...