The following table gives the height of trees:

Height	No. of trees
Less than 7	26
Less than 14	57
Less than 21	92
Less than 28	134
Less than 35	216
Less than 42	287
Less than 49	341
Less than 56	360

Draw 'less than' ogive and 'more than' ogive.

Given:

The given table gives the height of trees.

To do:

We have to draw 'less than' ogive and 'more than' ogive.

Solution:

We first prepare the cumulative  frequency distribution table by less than method as given below:

Represent class intervals along X-axis and cumulative frequency along Y-axis.

Plot the points (7, 26), (14, 57), (21, 92), (28, 134), (35, 216), (42, 287), (49, 341) and (56, 360) on the graph and join them in free hand to get an ogive as shown.

We first prepare the cumulative  frequency distribution table by more than method as given below:

Represent class intervals along X-axis and cumulative frequency along Y-axis.

Plot the points (0, 360), (7, 334), (14, 303), (21, 268), (28, 226), (35, 144), (42, 73) and (49, 19) on the graph and join them in free hand to get an ogive as shown.

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Updated on: 10-Oct-2022

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