Question

here are the shopping times (in minutes) of nine shoppers at a local grocery store. complete the grouped frequency distribution for the data. in the distribution, the frequency of a class is the number of shopping times in that class. (note that we are using a class width of 6.) shopping time (in minutes) 31 32 15 17 27 18 21 28 21 shopping time (in minutes) frequency 15 to 20 21 to 26 27 to 32

Explanation:

Step1: Count for 15 - 20

Check data: 15, 17, 18 are in 15 - 20 range. Frequency = 3.

Step2: Count for 21 - 26

Check data: 21, 21 are in 21 - 26 range. Frequency = 2.

Step3: Count for 27 - 32

Check data: 27, 28, 31, 32 are in 27 - 32 range. Frequency = 4.

Answer:

Shopping time (in minutes)	Frequency
21 to 26	2
27 to 32	4