Co-efficient of variation

Chapter 13 Class 11 Statistics
Concept wise

Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class

### Transcript

Ex15.3, 3 An analysis of monthly wages paid to workers in two firms A and B, belonging to the same industry, gives the following results: Which firm A or B pays larger amount as monthly wages? Ex15.3, 3 An analysis of monthly wages paid to workers in two firms A and B, belonging to the same industry, gives the following results: (ii) Which firm, A or B, shows greater variability in individual wages? Variance in firm A = 100 Standard deviation in firm A = = 100 = 102 = 10 Variance in firm B = 121 Standard deviation in firm B = = 121 = 112 = 11 Since mean in both the firms is same, i.e., Rs.5253, Therefore, the firm with greater standard deviation will have more variability. Thus, the plant B has greater variability in the individual wages.

#### Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.