Question

the weights of dogs from a class survey are: 13, 14, 17, 22, 25, 28, 33, 37, 37, 40, 41, 42, 61 put this data into the frequency table below. dog weights frequency 11 - 20? 21 - 30 3 31 - 40 41 - 50 2 51 - 60 61 - 70 1

Explanation:

Step1: Count the number of data in the range 11 - 20

The data in the range 11 - 20 are 13, 14, 17. So the frequency is 3.

Step2: Count the number of data in the range 31 - 40

The data in the range 31 - 40 are 33, 37, 37. So the frequency is 3.

Step3: Count the number of data in the range 51 - 60

There is no data in the range 51 - 60. So the frequency is 0.

Answer:

For the range 11 - 20: 3; for the range 31 - 40: 3; for the range 51 - 60: 0.