ICSE Class X Math 2016 Solved Paper

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 2‌cm=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 :

Question : 32

Total: 57

The number of shooters who obtained a score of more than 85%

Solution:

The number of shooter who obtained a score of more 85% , from E draw a vertical line to meet ogive at F. From F draw a horizontal line to D.
=160−150=10

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