Question

Find the mean, mode and median of the following data.
Classes Frequency
0 - 20 5
20 - 40 8
40 - 60 10
60 – 80 12
80 - 100 7
100 - 120 8
Total 50

Answer 1

mean =

5+8+10+12+7+8

---------------------------

6

50

= ---- =8.33

6

mode=

12 maximum repeated observation

median =

we have to write these observations in

ascending order

5,7,8,8,10,12

8+8

= ------- = 8

2

therefore third observation is median

therefore 8

Answer 2

here is your ans not sure about median