Answer
Cumulative frequency table:
Work Step by Step
Cumulative frequency is the total of a frequency and all frequencies so far. For example, the cumulative frequency for 4-5.9 magnitude is 11 because the previous frequencies are 7 and 4 so cumulatively it is 11. For 6 - 7.9 to is 12 because the previous frequencies are 7,4 and 1 so cumulatively it is 12.