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|2
50 - 59|?
60 - 69|1
70 - 79|3
80 - 89|

Explanation:

Step1: Identify data in range

Count numbers between 50 - 59 in 35, 40, 47, 52, 54, 55, 58, 63, 72, 77, 79, 83.

Step2: Count frequency

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

Answer:

4