IGNOU BECC 110 2025 2026 - Explain why an error variable is added to the regression model. Distin

Question

Explain why an error variable is added to the regression model. Distinguish between the error term (u) and the residual (û).

02 Mar 2026

Answer :

Word Count : 250

An error variable is added to the regression model to account for the factors that influence the dependent variable but are not explicitly included among the explanatory variables. In real-world situations, it is impossible to include every relevant determinant of an economic outcome due to limitations of data, measurement errors, unobservable variables, and model simplification. The error term

______ __________ ______ _________ _______ ________ _______ _____ __________ _________ ___ _______.
__________ ______ _________ __________ ____ ____ __________ _________ _______ _____.
____ _______ _______ __________ _______.
________ _________ ________ __________ __________ ____ _______ ____ _______ ___ __________.
______ ________ ____ _________ _________ __________ _____.
___ ________ _______ __________ _________ ___ ______ ________ _______ ___ ______ _____.
___ ______ _____ ______ ____ ______ ________ ______ __________.
___ ___ ___ _____ ___ __________ __________ _______ _______ ____.
____ ____ _______ ____ ________ _________.
_______ ____ ___ _______ __________ _______ __________ ____ _______.
_____ __________ ______ ________ ________ ___ ____.
________ ___ ______ ________ ____ __________ __________ _______ ________ ____ ____.
____ ____ ______ _______ _____ ____ _______ _________ __________.
_________ ________ __________ ________ ________ ___ ________ ___ __________ _____.
______ ___ __________ ___ ___ ________ ______ ___ _________ ________.
_________ ____ ___ _____ __________ _______ _________ _____ ______.
_________ ______ ____ __________ __________ _____ ________.
__________ _____ _________ __________ ________ _____ __________ ______ _____ ___ ______ ______.
________ _______ _______ _______ _______ ________.
____ _________ _________ ___ __________ ____ ______ _____.
________ ______ ____ ______ ____.
_____ _________ ___ ____ _________ _____ _____.

IGNOU ACADEMY

Your IGNOU journey, made easier.

Solved Assignments
Study Notes
Guess Papers
Question Papers

Call Us WhatsApp

STUDY • PREPARE • SUCCEED

Skip in 10

IGNOU Solved Assignments Assignments Ignou Projects Project Previous Year Solved Exam Papers Notes Notes Sample Question Papers Sample Question Papers