WorksheetsRegression Quiz
Total questions: 10
Worksheet time: 3mins
What is the primary purpose of regression analysis in machine learning?
Classifying images
Predicting continuous variables
Reducing dataset dimensions
Clustering similar data
Which of the following is a dependent variable also known as?
Explanatory variable
Covariate
Target variable
Domain point
What does the regression model aim to establish?
Relationship between independent variables
Relationship between an independent and a dependent variable
Clusters of input data
Feature importance only
What is the main difference between correlation and causation?
Correlation implies cause and effect
Correlation is random, causation is systematic
Correlation is a relationship; causation implies one variable affects another
Causation is used in unsupervised learning
Which plot is commonly used to visually examine correlation?
Bar graph
Scatter plot
Pie chart
Histogram
When is Ridge Regression particularly useful?
When features are categorical
When there is multicollinearity
When outliers are present
When data is missing
What is the effect of Lasso Regression on model coefficients?
Increases all coefficients
Makes coefficients zero to select features
Converts coefficients into binary
Has no effect
What kind of model does Polynomial Regression create?
A logistic function
A straight-line model
An nth-degree polynomial curve
A tree-like structure
Which type of regression is used when the relationship between the variables can be represented as a straight line?
Logistic Regression
Polynomial Regression
Linear Regression
Ridge Regression
What distinguishes multiple regression from simple linear regression?
It predicts multiple dependent variables
It uses multiple dependent and independent variables
It uses two or more independent variables
It fits a non-linear curve to the data
