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Basics of mean
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In this lesson I shall be covering the basics of mean, methods of calculating mean and type of series in which mean is calculated

Jassica Arora
I am subject topper of economics accounts and business,, topper of Bba program affiliated to mdu

U
sir. aap unacademy ke sabse achhe teacher hen. aap ki lecture bahat jaldi samajh me aajatahe. plz sir jaldi class11 ki series teyar kijiye. & one thing sir...aap plz June month se pehle pure economic padhaa dijiye. thank you sir
1. MEASURES OF CENTRAL TENDENCY: MEAN By: Jassica Arora

2. MEASURES OF CENTRAL TENDENCY: MEAN . Central Tendency means mid value, average or highest number of a group of values. . Measure of central tendency is how the mid value, average or highest digit is calculated For calculating mid value- MEDIAN is calculated For calculating average MEAN is calculated . For calculating highest number MODE is calculated

3. MEAN ARITHMETIC MEAN Mean is the average of a group of Value or series of numbers given. Mean gives the best idea about the central tendency of a series of value. .There are different methods of calculating mean in different series. When the digits are smaller say 5,6 different method is followed when digits are bigger say 125 178 different methad is used

4. METHODS OF CALCULATING MEAN Direct Method Short cut or Assumed Mean Method Step-Deviation Method

5. TYPES OF SERIES Individual Discrete Continuous Series

6. INDIVIDUAL SERIES 15 20 4 15 17 08 28

7. DISCRETE SERIES X(Age) Frequency 12 13 14 15 17 16 4 18 2

8. FREQUENCY DISTRIBUTION X(Weight) 15-20 20-25 25-30 15 30-35 20 35-40 40-45 45-50 25 4

9. Direct Individual Short Cut Direct Short Cut Step Deviation Mean Discrete ContinuoUS

10. THANK YOU Any query? Please do like share and enrol