Organizes the following information and complete the exercis

Organizes the following information and complete the exercise below:

Complete the following table

8 6 10 8 75 2 64 12 8 12 11 18 10 10 20 13 13 19 0 15 16 15 17 11 102 11 10 1216 4 12 17 16 7 10 18 10 0 12 11 14 17 14 18 10 13 11 14 1312 11 10 20

Solution

Intervals Freq Mid.Pt Rel.Freq Cum. Rel.Freq 0-9 44 5 0.4889 0.4889 10-19 42 15 0.4667 0.9556 20-29 2 25 0.0222 0.9778 30-39 0 35 0.0000 0.9778 40-49 0 45 0.0000 0.9778 50-59 0 55 0.0000 0.9778 60-69 1 65 0.0111 0.9889 70-79 1 75 0.0111 1.0000 Sum 90