Question

Here is a FDT for a small data set:

data freq
31 2
32 4
33 4
34 4
35 6
Find the following measures of central tendency.

mean =


median =


mode =

Answer 1

data 31 32 33 34 35

frequence 2 4 4 4 6

mean :( 2*31 + 4*32 + 4*33 + 4+34 + 3*35)/20=28.15

median :34

mode : 35

Explanation: