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Q.

State if the following is true or false.


The marks obtained by 100 students of a class in an examination are given in the below table. The following graph represents its less than type ogive.


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a

True

b

False 

answer is A.

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Detailed Solution

Given frequency table is,
Question ImageConsider the table,
Question ImageWe plot the points (5, 2), (10, 7), (15, 13), (20, 21), (25, 31), (30, 56), (35, 76) and (40, 94), (45, 98) and (50, 100).
Join all points with a free hand to get the curve representing the ‘less than type’ series.
Question Image Hence, it is true that the marks obtained by 100 students of a class in an examination are given in a table, the above graph represents the less than type ogive.
Hence, option 1 is correct.
 
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