Question

any body have class 9 final exam question paper​

Answer 1

30th question...
In a city, the weekly observation made in. study on the cost of living index are given in the following table...

Cost of living index = 140-150, 150-160, 160-170, 170-180, 180-190, 190-200

Number of weeks = 5, 10, 20, 9, 6, 2.

Draw a frequency polygon for the data above by constructing a histogram.
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