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 .

BackNext

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.

Quantitative Aptitude Reasoning English General Knowledge Picture Patterns
More for You
MCQ with question Explanations Scholarships and Financial Aid

Geometry

How to solve Geometry questions on math section of the test

Quantitative Comparison

Learn techniques how to crack quantitative comparison section

GRE Physics

Find what is GRE Physics and how to appear in the test

All in this Category

You may be interested in

Colleges in Sukkur

Find a comprehensive list of major ...

Colleges in Sahiwal

A comprehensive list of major colle ...

English Grammar

Learn English Grammar with lessons ...

Study in Pakistani University or College

Detailed informationabout Study in ...

PPSC - Assistant District Public Prosecutor Exam

Learn about the exam of PPSC - Assi ...

Pakistan Army - PMA Long Course

Join Pakistan Army through PMA Long ...

IBA - Institute of Business Administration

A big name in business management s ...

FMH - Mdecal Degrees

FMH College of Medicine & Dentistry ...

About us

EntryTest.com is a test preparation service for students seeking successful career.

About Disclaimer

Quick Test Prep

NUST NET IBA Karachi SAT LUMS LCAT LSE

 

NTS GAT NTS NAT GMAT GRE ACT

Study Abroad

Education Abroad Business Schools MS in USA