Chapter 2, Problem 13E

The manager of the BiLo Supermarket in Mt. Pleasant, Rhode Island, gathered the following information on the number of times a customer visits the store during a month. The responses of 51 customers were:

1. a. Starting with 0 as the lower limit of the first class and using a class interval of 3, organize the data into a frequency distribution.
2. b. Describe the distribution. Where do the data tend to cluster?
3. c. Convert the distribution to a relative frequency distribution.