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:

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.
b. Describe the distribution. Where do the data tend to cluster?
c. Convert the distribution to a relative frequencydistribution.

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1 14 1 2 4 4 4 5 6 3 5 3 4 5 6 8 4 76 5 9 3 12 4 7 6 5 15 1 10 89 12