Linear regression and OLS: previous year questions
Asked 5 times in 2 exams across 3 years. Newest first.
Practise Linear regression and OLS, easy to hard →
- GATE 2023 Q61Using the Ordinary Least Squares (OLS) method, a researcher estimated the relationship between initial salary (S) of MBA graduates and their…
- IIT JAM 2022 Q33Suppose the regression model is Yᵢ = β₀ + β₁ X₁ᵢ + β₂ X₂ᵢ + μᵢ, i = 1, 2, …, n. Which of the following null hypotheses could be tested using the F…
- IIT JAM 2022 Q55For the model Y_(n×1) = X_(n×3) β_(3×1) + U_(n×1) with β = [β₁ β₂ β₃]ᵀ and n = 23, a researcher obtains (XᵀX)⁻¹ = [0.3 0.5 0.8; 0.4 -0.6 0.2; 0.4…
- GATE 2021 Q7In a demand function estimation of a good X, a researcher collected data on various households' consumption of good X (Qₓ) for various price levels.…
- GATE 2021 Q34Consider two regression models estimated on a sample of 350 observations. y = β₀+β₁x₁+β₂x₂+β₃x₃+β₄x₄+β₅x₅+u (1) y = α₀+α₁x₁+α₂x₂+v (2) The R² in…