Question

the number of jumping jacks students completed in one minute are: 35, 40, 47, 52, 54, 55, 58, 63, 72, 77, 79, 83 put this data into the frequency table below. no. of jumping jacks frequency 30 - 39 1 40 - 49? 50 - 59 60 - 69 1 70 - 79 3 80 - 89

Explanation:

Step1: Count the number in 40 - 49

The numbers in 40 - 49 are 40, 47. So the frequency is 2.

Step2: Count the number in 50 - 59

The numbers in 50 - 59 are 52, 54, 55, 58. So the frequency is 4.

Step3: Count the number in 80 - 89

The number in 80 - 89 is 83. So the frequency is 1.

Answer:

The frequency for 40 - 49 is 2, for 50 - 59 is 4, and for 80 - 89 is 1.