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CBSE Class 11-commerce Answered

Q.11 Construct a histogram from the following frequency distribution.

Class interval 0-10 10-20 20-30 30-60 60-80 80-90 90-100

Frequency 5 10 4 18 4 3 9

Asked by sntshtrk530 | 04 Sep, 2017, 04:40: AM

Expert Answer

Histogram: A histogram is two dimensional diagrams. Here the given data of class intervals are unequal, so the width of the rectangles would be different. Hence befor presenting the data in the formof graphs, the frequencies of the unequal class intervals are adjusted by using teh following formula:

Adjustment factor for any class= Class interval of the concerned class/ lowest class interval.

Please make an attempt to construct the histogram by following the given steps.

Answered by Tharageswari S | 04 Sep, 2017, 11:15: AM

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