## Tamilnadu Samacheer Kalvi 12th Economics Notes Chapter 12 Introduction to Statistical Methods and Econometrics Notes

→ First Part deals with meaning of statistics, nature, type and scope.

→ Brief information about the data, data source and its kinds are given in the second part.

→ The third part of this chapter explains correlation V’ which measures the strength and direction of the linear association between two quantitative variables x and y.

→ The fourth section depicts regression.

→ The last part of this chapter introduces Econometrics.

→ Next the organizational structure of Indian statistical system is given in a gist.