Question

Equation of circle passing through (1,2) (3,4) and touching a line 3x+y-3=0

Answer 1

3 Ratio and Regression Estimators

For example, in a household expenditure survey Y may be annual household expenditure and X may be household size.

Ratios of these variables may be relevant and interesting.

For example per capita expenditure is represented by the population ratio R=YT/XT=ˉY/ˉX.