Question

Consider the following stem and leaf plot:

1 | 2, 3, 4

2 | 2, 2, 8

3 | 1, 6, 6, 6, 7

Identify the mean.
25
26
28
36

Answer 1

Can you first write out all the numbers in order ?

Answer 2

12,13,14,22,22,28,31,36,36,36,37

Answer 3

For example \(\Large\color{green}{ \bf 4~│0~1,~4,~6,~6,~8 }\) gives you the following numbers,

\(\Large\color{green}{ \bf~40,~41,~44,~46,~46,~48 }\)

Answer 4

\(\large\color{blue}{ \bf 12,~13,~14,~22,~22,~28,~31,~36,~36,~36,~37}\)

there are 11 numbers.

Add all of them and divide the sum by 11.