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

Quantitative Comparison

Learn techniques how to crack quantitative comparison section

Graphs - Data Interpretation

Lessons and practice questions for Data Interpsection - Graphs

PPSC - Research Officer Exam

Learn about the exam of PPSC - Research Officer

All in this Category

You may be interested in

PAF College Lower Topa

How to get admission in PAF College ...

Defence Authority Degree College - Karachi

A popular name in the colleges of K ...

Scholarships and Financial Awards

List of various category scholarshi ...

Precis Writing

How to write Precis with solved exa ...

GRE Chemistry

Complete review of GRE Chemistry wi ...

GRE Biology

Find what is GRE Biology and how to ...

NCA National College of Arts

The most popular name in fine art s ...

BU - Bahria University

A popular name in Pakistani univers ...

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