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Following are the heights of 20 students $( in\ cm)$:
$155,\ 158,\ 152,\ 147,\ 153,\ 162,\ 144,\ 148,\ 141,\ 150,\ 157,\ 145,\ 161,\ 154,\ 142,\ 163,\ 154,\ 160,\ 155,\ 143$
Make a frequency distribution table for this data using equal class-intervals, one of them being $140-145$.
Given: Heights of $20$ students $( in\ cm)$:
$155,\ 158,\ 152,\ 147,\ 153,\ 162,\ 144,\ 148,\ 141,\ 150,\ 157,\ 145,\ 161,\ 154,\ 142,\ 163,\ 154,\ 160,\ 155,\ 143$
To do: To make a frequency distribution table for this data using equal class-intervals, one of them being $140-145$.
Solution:
The table is as below:
Class Interval | Frequency of students |
$140-145$ | 4 |
$140-150$ | 3 |
$150-155$ | 5 |
$155-160$ | 4 |
$160-165$ | 4 |
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