Linear Regression Quiz

Linear Regression Quiz

University

12 Qs

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Linear Regression Quiz

Linear Regression Quiz

Assessment

Quiz

Other

University

Practice Problem

Hard

Created by

Nishanthini Thiyagarajan

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an application of Linear Regression?

Predicting house prices based on square footage

Clustering customers based on purchase history

Identifying spam emails

Image classification

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does Mean Squared Error (MSE) measure in Linear Regression?

The total sum of errors

The average squared difference between actual and predicted values

The number of data points used in the model

The correlation between X and Y

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which assumption of Linear Regression ensures that independent variables are not highly correlated?

Linearity

Independence

Homoscedasticity

No Multicollinearity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the assumption of Homoscedasticity is violated, what solution can be used?

Apply polynomial regression

Use time-series models

Apply transformation (log, square root)

Remove redundant variables

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the slope (m) represent in salary prediction?

The starting salary

The rate of change of salary with experience

The highest salary in the dataset

The total years of experience

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the intercept (b) indicate in the salary prediction model?

The salary when experience is zero

The average salary of all employees

The highest salary in the dataset

The years of experience required for a raise

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the equation used in the linear regression model for salary prediction?

y=mx+b

y=x+m

y=bx+m

y=m+x+b

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