Question

Heights (in cms) of 30 girls of Class IX are given below:
140,140,160,139,153,153,146,150,148,150,152,
146,154,150,160,148,150,148,140,148,153,138,
152,150,148,138,152,140,146,148.
Prepare a frequency distribution table for this data.

Answer 1

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