Question

find the mean median and mode of the following data the classes 8 0 10 10 20 20 30 30 40 40 50 50 60 60 70 and the frequency is 3 4 7 15 10 7 4

Answer 1

hey .....
mean= sum of observation/no.of observations
=8+0+10+......./22
=548/52
=
median=mean of 11 and 12 observations

Answer 2

Answer:

Mean =42.5

Mode =45