Consider the following data collected from tossing a coin 10 times (sample size 10) and recording the result as H (head) or T (tail).
The coin toss is conducted 5 times and the percentage of heads calculated.
| 1st
|
2nd
|
3rd
|
4th
|
5th
|
6th
|
7th
|
8th
|
9th
|
10th
|
% H
|
| T
|
H
|
T
|
H
|
T
|
H
|
T
|
H
|
H
|
T
|
50
|
| T
|
H
|
T
|
T
|
T
|
H
|
T
|
H
|
T
|
T
|
30
|
| H
|
T
|
H
|
T
|
T
|
H
|
H
|
H
|
H
|
H
|
70
|
| H
|
T
|
H
|
T
|
T
|
T
|
T
|
H
|
T
|
H
|
40
|
| H
|
H
|
H
|
T
|
H
|
T
|
H
|
H
|
H
|
H
|
80
|
The outcomes vary from 30% to 80%.
The following results are from 5 samples of 100 tosses of the coin.
| Number of tosses
|
% H
|
| 100
|
50
|
| 100
|
49
|
| 100
|
50
|
| 100
|
54
|
| 100
|
47
|
The outcomes vary from 47% to 54%.
The variation from the expected 50% heads is much less for 100 tosses than for 10 tosses.
