Module 13: Linear Regression

Question 1

What is Linear regression used for?

Answer 1

It helps predict one variable from another

Question 2

What is Simple Linear Regression used for?

Answer 2

Question 3

What is Multiple Linear Regression used for?

Answer 3

Question 4

The Assumptions are the same as Correlation except for which Assumption?

Answer 4

Assumption 6 (correlation):

• The two variables are normally distributed

Assumption 6 (regression):

• The residuals should be normally distributed

Question 5

How do we calculate the Residual?

Answer 5

Question 6

what is the y-intercept?

Answer 6

Where the slope crosses the y axis.

x = 0