The goals scored by 40 football teams from three league divisions are recorded below
| No of goals | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
| Frequency | 4 | 3 | 15 | 16 | 1 | 0 | 1 |
What is the total number of goals scored by all the teams?
Let x rep. number of goals
| x | f | fx |
| 0 | 4 | 0 |
| 1 | 3 | 3 |
| 2 | 15 | 30 |
| 3 | 16 | 48 |
| 4 | 1 | 4 |
| 5 | 0 | 0 |
| 6 | 1 | 6 |
\(\sum fx\) = 91
Total number of goals scored is \(\sum fx\)= 91
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