Question
For a frequency distribution, $j=0.6, \bar{x}=82$ and $s=15$. Find $M$.
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| Marks | 10 -100 | 20 -100 | 30 -100 | 40 -100 | 50 -100 | 60 -100 | 70 -100 | 80 -100 | 90 -100 |
| No. of students | 200 | 180 | 140 | 90 | 55 | 30 | 8 | 2 | 1 |
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Diameter of the screw (mm.)
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$30$
|
$35$
|
$40$
|
$45$
|
$50$
|
$55$
|
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No of screws
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$4$
|
$10$
|
$15$
|
$8$
|
$5$
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$3$
|