04
Jan
Question 9: A company manufactures car batteries of a particular type. The lives (in years) of 40 such batteries were recorded as follows:
2.6 3.5 2.5 3.5 4.6 3.0 3.7 2.3 3.2 4.4 3.4 3.2 3.9 3.8 3.2 3.2 2.2 3.4 3.8 3.3 2.9 3.2 3.2 2.6 3.5 4.1 3.5 4.5 3.2 4.6 3.7 3.0 4.3 2.8 3.1 3.7 3.4 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.
Statistics
This tutorial is recommended for the beginners to watch to understand the following:
- What is statistics
- Data
- Information
- Frequency distribution table
- Ungrouped
- Grouped
- Class Intervals
- Overlapping
- Non-overlapping
- Class limits
- Upper class limit
- Lower class limit
Chapter 14 – Statistics
=> Introduction to Statistics – Must watch tutorial
