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Ordinary Least Squares Quizzes, Questions & Answers

Top Trending Ordinary Least Squares Quizzes

OLS Estimation and Minimizing Squared Errors

This quiz assesses your understanding of Ordinary Least Squares (OLS) regression, a key statistical method for estimating linear relationships between variables. You will evaluate your knowledge of how OLS estimation and...

Questions: 15 | Attempts: 16 | Last updated: Apr 16, 2026

Sample Question 1
In OLS regression, what quantity does the method minimize?

Sum of residuals

Sum of squared residuals

Sum of absolute residuals

Sum of predicted values

Sample Question 2
Which of the following is a key assumption of the classical linear regression model?

Errors are heteroscedastic

Errors have constant variance

Errors are correlated with regressors

X variables are random

OLS Estimator Properties in Econometrics

This quiz evaluates your understanding of OLS estimator properties in econometrics, a foundational method in the field. You'll assess key concepts such as unbiasedness, consistency, efficiency, and the Gauss-Markov theorem....

Questions: 15 | Attempts: 12 | Last updated: Apr 16, 2026

Sample Question 1
Under the classical linear regression assumptions, the OLS estimator is unbiased. What does unbiasedness mean?

E(β̂) = β

β̂ is always equal to β

The estimator has the smallest variance

The estimator converges to β as n → ∞

Sample Question 2
Which assumption is required for OLS estimators to be unbiased?

Homoscedasticity

Zero conditional mean of errors: E(u|X) = 0

Normality of errors

No multicollinearity

Recent Ordinary Least Squares Quizzes

Difference between OLS in Simple and Multiple Regression

Questions: 15 | Attempts: 11 | Last updated: Apr 16, 2026

Sample Question
In simple linear regression, OLS minimizes the sum of squared residuals using how many independent variables?

One

Two

Three

Multiple

OLS Residuals and Model Assumptions

Questions: 15 | Attempts: 11 | Last updated: Apr 16, 2026

Sample Question
In OLS regression, what is a residual?

The difference between observed and predicted values

The slope of the regression line

The correlation coefficient

The standard error of the intercept

Gauss-Markov Theorem and BLUE Estimator

Questions: 15 | Attempts: 11 | Last updated: Apr 16, 2026

Sample Question
What does BLUE stand for in the context of ordinary least squares?

Best Linear Unbiased Estimator

Biased Linear Uniform Estimator

Basic Linear Unbiased Estimation

Best Likelihood Unbiased Estimate