Quiz on Regression Modelling and Data Analysis

What is the primary purpose of regression modeling?

• Data storage

• Prediction

• Data visualization

• Data cleaning

Which type of regression is used when there is only one independent variable?

• Logistic Regression

• Simple Linear Regression

• Ordinal Regression

• Multiple Linear Regression

What does logistic regression primarily deal with?

• Ordinal outcomes

• Categorical outcomes

• Binary outcomes

• Continuous outcomes

Which of the following is an assumption of regression analysis?

• Non-normality of residuals

• Heteroscedasticity

• Linearity

• Multicollinearity

What does R-squared (R²) measure in regression analysis?

• The strength of the relationship

• The number of variables

• The error rate

• The sample size

Which evaluation metric is used to measure the average of the squared differences between predicted and actual values?

• R-squared (R²)

• Mean Squared Error (MSE)

• Root Mean Squared Error (RMSE)

• Mean Absolute Error (MAE)

What type of regression uses L1 regularization?

• Quantile Regression

• Ridge Regression

• Lasso Regression

• Elastic Net Regression

Which application of regression modeling is related to finance?

• Behavioral modeling

• Quality control

• Stock price prediction

• Sales forecasting

What is the term for the variable that is being predicted in regression analysis?

• Regression coefficient

• Dependent variable

• Residual

• Independent variable

Which type of regression is suitable for count data?

• Poisson Regression

• Logistic Regression

• Ordinal Regression

• Simple Linear Regression