Question

9. A company manufactures car batteries of a particular type. The lives (in years) of 40
such batteries were recorded as follows:
26
3.5
3.0 3.7
2.2. 4.1
4.5
3.2
3.5 2.3 3.2 3.4 3.8 3.2 4.6
3.7
2.5 4.4 3.4 3.3 29 3.0 4.3 2.8
3.5 3.2 3.9 3.2 3.2 3.1 3.7 3.4
4.6 3.8 3.2 2.6
3.5 4.2 2.9 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

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