Question

Find the mean, mode and median of the following frequency distribution:




Class

0-10

10-20

20-30

30-40

40-50

50-60

60-70



Frequency

4

4

7

10

12

8

5

Answer 1

Step-by-step explanation:

Mean = 4+4+7+10+12+8+5/7

=50/7

=7.14

Arrange in ascending order

4,4,5,7,8,10,12

Mode = 4

Median =7