Question

Difference between the population and sample regression functions

Answer 1

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.

Answer 2

Answer:

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• 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.