Question

Exercise 14.1
Construct a frequency distribution table for the data on heights (in cm) of 30 students of a class using
the class width of 30 cm each.
122. 129. 125. 157, 120, 121, 140, 145, 137, 138, 120, 159, 142, 152, 156,
135.121.143.143, 146, 148, 151, 159, 157, 154, 129, 120, 140, 155, 150.
on​

Answer 1

Answer:)

Given that

The heights of 30 students of class IX 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.

Frequency distribution table

Class interval Frequency

145 - 149 4

150 - 154 8

155 - 159 13

160 - 164 5

165 - 169 -

Total. 30