Question

A company manufactures car batteries of a particular type. The life (in years) of 40batteries were recorded as follows:
2.6 3.0 3.7 3.2 2.2 4.1 3.5 4.5
3.5 2.3 3.2 3.4 3.8 3.2 4.6 3.7
2.5 4.4 3.4 3.3 2.9 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 with exclusive classes for this data, using class intervals of size 0.5 starting from the interval 2 - 2.5.

Answer 1

Answer:

grouped frequency distribution table with exclusive classes

Step-by-step explanation:

When the lower limit is included, but the upper limit is excluded, then it is an exclusive class interval

Class       Frequency

2 - 2.5      2

2.5 - 3       6

3 - 3.5       14

3.5 - 4       11

4 - 4.5       4

4.5 - 5       3