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

Data Sufficiency

Easily crack the most logical section of the GMAT

Geometry

How to solve Geometry questions on math section of the test

SAt Subject Mathematics

Find all about SAT-II Mathematics with lessons and practice questions

All in this Category

You may be interested in

Colleges in peshawar

A list of major colleges in Peshawa ...

Colleges in cities of Punjab

Comprehensive lists of colleges in ...

Recent Admission News List

A list of top 30 Recent Admission N ...

Precis Writing

How to write Precis with solved exa ...

Pakistan Army Selection and Recruitment Tests

Join Pakistan Army. How it is possi ...

Pakistan Army - PMA Long Course

Join Pakistan Army through PMA Long ...

NMCH - Dental Surgery

Nishtar Medical College and Hospita ...

Universities in Balochistan

A comprehensive list of universitie ...

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