Draw a less than type ogive of the following distribution:

Find median from graph.

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48.1

76.9

40.2

75.8

answer is C.

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Detailed Solution

Given is a table,
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Median divides the data into upper half and lower half observations.
The frequency distribution table for data above for the given data is as follows:
Question Image

Drawing ogive curve,
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Now, N=60.
So, median is mean of 30 and 31 that is 30.5.
From less than ogive, it can be seen that the median is approximately 40.2.
Thus, the median is 40.2.
Therefore, option (3) is correct.

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