Question

Find the mean, the median, and the mode for the sample data represented by the table

x 1 2 7

f 1 2 1

Answer 1

here putting above data in ascending order:

S. No	x
1	1
2	2
3	2
4	7
total	12
average	3

mean =3

median =middle value =(4+1)/2 th value =2.5 th value =(2+2)/2 =2

mode =2 (as it appears maximum number of times)