Question

A company manufactures car batteries of a particular type. The lives in years) of 40
such batteries were recorded as follows:
2.6
3.7
3.2
4.5
3.0
23
3.5
3.2
2.2
3.8
2.9
4.4
3.4
3.3
3.2.
3.7
2.8
3.4
2.5
3.5
4.1 3.5
3.2 4.6
3.0 4.3
3.1 3.7
4.2 2.9
3.2
3.2
3.9
3.2
3.4
4.6
3.8
2.6
3.5
3.6
Construct a grouped frequency distribution table for this data, using class intervals
of size 0.5 starting from the interval 2 - 2.5.​

Answer 1

$\huge\mathcal\red{Answer}$

Life time (in year) No of batteries

class intervals

2.0-2.5 2

2.5-3.0 6

3.0-3.5 14

3.5-4.0 11

4.0-4.5 4

4.5-5.0 3