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Draw Ogives for the following distribution and locate the median from the graph.

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Draw an Ogive and locate the median, lower quartile and upper quartile from the graph.

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Best answer

Median = (N/2)th term

(80/2) = 40th term

From the ogive M = 35 Marks

FirstlLowcr quartile Q1 (N/4)th term

(80/4)=20th term

∴ From the ogive Q1 = 26Marks

ThirdlUppcr quartile Q3 (N/4)th term

= 3(80/4) 60th term

∴ From the ogive Q3 = 42Marks

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