Question

3. What is the difference between the population and sample regression functions? Is this a distinction without difference?

Answer 1

Answer:

when is carry deoxygenated blood different part of the body to the heart the the motor rewinding is an expression of the carriage the oxygen to grow from the lungs

Answer 2

Answer:

Population regression function(PRF) is the locus of the conditional mean of variable Y (dependent variable) for the fixed variable X (independent variable).

Sample regression function(SRF) shows the estimated relation between explanatory or independent variable X and dependent variable Y.