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The lengths of 62 levels of a plant are ...

The lengths of 62 levels of a plant are measured in millimetres and the data is represented in the following table

Draw a histrogram to represent the data above.

Text Solution

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The given frequency distribution is in inclusive form. So, first we convert it into exclusive form.
Now, adjusting factor `= (127-126)/2=1/2=0.5`
So, we subtract 0.5 from each lower limit and add 0.5 to each upper limit.
the table for continuous grouped frequency distribution is given below.

Thus, the given data becomes in exclusive form.
Along the horizontal axis, we represent the class intervals of length on some suitable scale.
The corresponding frequencies of number of leaves are represented along the Y-axis on a suitable scale.
Since, the given in intervals start with 117.5.126.5. It means that, there is some break indicated near the origin to signify the graph is drawn with a scale beginning at 117.5.
A histrogram of the given distribution is given below.
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