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:
5 
3 
3 
1 
4 
4 
5 
6 
4 
2 
6 
6 
6 
7 
1 
1 
14 
1 
2 
4 
4 
4 
5 
6 
3 
5 
3 
4 
5 
6 
8 
4 
7 
6 
5 
9 
11 
3 
12 
4 
7 
6 
5 
15 
1 
1 
10 
8 
9 
2 
12 









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 frequency distribution.
Solution
Step 1 of 3
a) We have to arrange the given data into frequency distribution
Interval 
Frequency 
03 
9 
36 
21 
69 
13 
912 
4 
1215 
3 
1518 
1 
Total 
51 