The table shows the distribution of the scores obtained by 160 shooters in a shooting competition. Use a graph sheet and draw an ogive for the distribution.
(Take 2 cm = 10 scores on the X axis and 2 cm = 20 shooters on the Y-axis)

Scores No. of shooters
$0 - 10$ $9$
$10 - 20$ $13$
$20 - 30$ $20$
$30 - 40$ $26$
$40 - 50$ $30$
$50 - 60$ $22$
$60 - 70$ $15$
$70 - 80$ $10$
$80 - 90$ $8$
$90 - 100$ $7$

Use your graph to estimate the following:
The number of shooters who obtained a score of more than 85 % are ?

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Solution

Scores Number of shooters Cumm. Values
$0 - 10$ $9$ $9$
$10 - 20$ $13$ $22$
$20 - 30$ $20$ $42$
$30 - 40$ $26$ $68$
$40 - 50$ $30$ $98$
$50 - 60$ $22$ $120$
$60 - 70$ $15$ $135$
$70 - 80$ $10$ $145$
$80 - 90$ $8$ $153$
$90 - 100$ $7$ $160$
Number of shooters, obtained more than $85$ percent is $160 - 153 = 7$ .

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Similar questions

Q. The table shows the distribution of the scores obtained by

160

shooters in a shooting competition. Use a graph sheet and draw an ogive for the distribution.

Scores	No. of shooters
$0 - 10$	$9$
$10 - 20$	$13$
$20 - 30$	$20$
$30 - 40$	$26$
$40 - 50$	$30$
$50 - 60$	$22$
$60 - 70$	$15$
$70 - 80$	$10$
$80 - 90$	$8$
$90 - 100$	$7$

Use your graph to estimate the median.

Q. The table shows the distribution of the scores obtained by

160

shooters in a shooting competition. Use a graph sheet and draw an ogive for the distribution.

Scores	No. of shooters
$0 - 10$	$9$
$10 - 20$	$13$
$20 - 30$	$20$
$30 - 40$	$26$
$40 - 50$	$30$
$50 - 60$	$22$
$60 - 70$	$15$
$70 - 80$	$10$
$80 - 90$	$8$
$90 - 100$	$7$

Use your graph to estimate the following the interquartile range

The table shows the Distribution of the Scores obtained by 155 shooters in a shooting competition.

$\begin{matrix} Scores & No. of shooters 0 - 10 & 10 10 - 20 & 12 20 - 30 & 15 30 - 40 & 8 40 - 50 & 20 50 - 60 & 24 60 - 70 & 7 70 - 80 & 11 80 - 90 & 30 90 - 100 & 18 \end{matrix}$

Use a graph sheet to draw an ogive for the distribution.

Estimate the number of shooters who obtained a score of more than 85%.

The table shows the Distribution of the Scores obtained by 155 shooters in a shooting competition.

$\begin{matrix} Scores & No. of shooters 0 - 10 & 10 10 - 20 & 12 20 - 30 & 15 30 - 40 & 8 40 - 50 & 20 50 - 60 & 24 60 - 70 & 7 70 - 80 & 11 80 - 90 & 30 90 - 100 & 18 \end{matrix}$

Using the table find the Modal Class.

The table shows the Distribution of the Scores obtained by 155 shooters in a shooting competition. Using the step - deviation method find the mean.

$\begin{matrix} Scores & No. of shooters 0 - 10 & 10 10 - 20 & 12 20 - 30 & 15 30 - 40 & 8 40 - 50 & 20 50 - 60 & 24 60 - 70 & 7 70 - 80 & 11 80 - 90 & 30 90 - 100 & 18 \end{matrix}$

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Scores	Number of shooters	Cumm. Values
$0 - 10$	$9$	$9$
$10 - 20$	$13$	$22$
$20 - 30$	$20$	$42$
$30 - 40$	$26$	$68$
$40 - 50$	$30$	$98$
$50 - 60$	$22$	$120$
$60 - 70$	$15$	$135$
$70 - 80$	$10$	$145$
$80 - 90$	$8$	$153$
$90 - 100$	$7$	$160$

Scores Number of shooters Cumm. Values 0−10 9 9 10−20 13 22 20−30 20 42 30−40 26 68 40−50 30 98 50−60 22 120 60−70 15 135 70−80 10 145 80−90 8 153 90−100 7 160Number of shooters, obtained more than 85 percent is 160−153=7.