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प्रश्न
The enrolment in a school during six consecutive years was as follows:
1555, 1670, 1750, 2013, 2540, 2820
Find the mean enrolment of the school for this period.
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उत्तर
Mean enrolment = `(1555 + 1670 + 1750 + 2013 + 2540 + 2820)/6`
= `12348/6`
= 2058
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संबंधित प्रश्न
Following table shows the points of each player scored in four games:
| Player | Game 1 | Game 2 | Game 3 | Game 4 |
| A | 14 | 16 | 10 | 10 |
| B | 0 | 8 | 6 | 4 |
| C | 8 | 11 | Did not play | 13 |
Now answer the following questions:
- Find the mean to determine A’s average number of points scored per game.
- To find the mean number of points per game for C, would you divide the total points by 3 or by 4? Why?
- B played in all the four games. How would you find the mean?
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| Frequency | 6 | 4 | 5 | 7 | 3 |
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| No. of students | 6 | 8 | p | 10 | 6 |
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