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Byju's Answer
Standard X
Mathematics
Ogive of Less Than Type
The distribut...
Question

The distribution of heights (in cm) of 96 children is given below. Construct a histogram and a frequency polygon on the same axes.

Height(in cm)124128132136140144148152156160 totototototototototo 128132136140144148152156160164No. of Children58172416126431

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Solution

Height(in cm)124128132136140144148152156160 totototototototototo 128132136140144148152156160164No. of Children58172416126431

Histogram and frequency polygon is given here.

Draw midpoints of each rectangle at the top and join them to get a ferquency polygon.


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Question 10
The distribution of heights (in cm) of 96 children is given below.
Height(in cm)Number of children124−128 5128−132 8132−136 17136−140 24140−144 16144−148 12148−152 6152−156 4156−160 3160−164 1
Draw a less than type cumulative frequency curve for this data and use it to compute median height of the children.

Q.

Question 10
The distribution of heights (in cm) of 96 children is given below.
Height(in cm)Number of children124−128 5128−132 8132−136 17136−140 24140−144 16144−148 12148−152 6152−156 4156−160 3160−164 1
Draw a less than type cumulative frequency curve for this data and use it to compute median height of the children.


Q. The distribution of heights (in cm) of 96 children is given below. Construct a histogram and a frequency polygon on the same axes.
Height (in cm): 124
to
128		 128
to
132		 132
to
136		 136
to
140		 140
to
144		 144
to
148		 148
to
152		 152
to
156		 156
to
160		 160
to
164
No. of Children: 5 8 17 24 16 12 6 4 3 1
Q.

The heights (in cm) of 30 students of class VIII are given below:

155, 158, 154, 158, 160, 148, 149, 150, 153, 159, 161, 148, 157, 153, 157, 162, 159, 151, 154, 156, 152, 156, 160, 152, 147, 155, 163, 155, 157, 153.

Prepare a frequency distribution table with 160-164 as one of the class intervals.


Q. From the following data, draw the two types of cumulative frequency curves and determine the median:
Height (in cm) Frequency
140-144 3
144-148 9
148-152 24
152-156 31
156-160 42
160-164 64
164-168 75
168-172 82
172-176 86
176-180 34
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