Loading...

Lesson: Applied Arithmetic - 14

Introducing Averages

[Page 14 of 36]
A number that represents the characteristics of a data set.
Average is found by adding up all of the numbers you have to find the mean of, and dividing by the number of numbers. So the mean of 3, 5, 7, 3 and 5 is 23/5 = 4.6.

Video Lesson - Explanation of Average

Averages, like ratios and rates, are variations of fractions.

The Average Formula:

Average =

So whenever you have 2 pieces of information, you can calculate the third.

For example:
The average of 3, 4 and 8 is 5, because .

Next to display next topic in the chapter.

Video Lessons and 10 Fully Explained Grand Tests

Large number of solved practice MCQ with explanations. Video Lessons and 10 Fully explained Grand/Full Tests.

More for You
All in this Category

You may be interested in

Overseas Pakistanis Foundation Boys College

A chain of colleges by Overseas Pak ...

Colleges in peshawar

A list of major colleges in Peshawa ...

FBR Post of Income Tax Inspector

Learn about the FBR Post of Income ...

PPSC - Account Officer

Prepare the test for PPSC post of A ...

Join PAF as GD Pilot

PAF - Careers - join Pakistan Air F ...

ISSB - G.T.O. Tasks

Learn all about to deal ISSB - G.T. ...

SZABIST - Engineering

SZABIST - Mechatronics Engineering ...

NWFPUET Engineering

NWFP University of Engineering and ...