chapter-header

NCERT Solutions Class 9 Mathematics Solutions for Statistics - Exercise 14.2 in Chapter 14 - Statistics

Question 9 Statistics - Exercise 14.2

A company manufactures car batteries of a particular type. The lives (in years) of 40 such batteries 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 for this data, using class intervals of size 0.5 starting from

the interval 2 - 2.5.

Answer:

The grouped frequency distribution table for the data given in the table, using class intervals of size 0.5 starting

from the interval 2 - 2.5, is given below.

NCERT Mathematics Solutions - Class 9 chapter Statistics Question 9 Solution image

Connect with us on social media!
2022 © Quality Tutorials Pvt Ltd All rights reserved