Question

How can I find the average stem length, Median stem length and Mode stem length?

Answer 1

Given,

The data of the length of the stem and frequency is,

Length Frequency

25 2

26 9

27 10

28 12

29 20

30 19

31 13

32 15

Required:

The mean, median and mode of the stem.

The mean of the stem is calculated as,