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The length of 40 leaves of a plant is measured correct to one millimetre, and the obtained data is represented in the following table: (i) Draw a histogram

Q. 4.     The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:

                

                (i) Draw a histogram to represent the given data. [Hint: First make the class intervals continuous]

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S Sayak

As we can see from the given table that the data is discontinous and the difference between the upper limit of a class and the lower limit of the next class is 1 and therefore we change both of them by a value 1/2.

e.g 127 - 135 would become 126.5 - 235.5

The modified table therefore is

The representation of the above data through a histogram is as follows

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