Podcast
Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App
Questions and Answers
Which of the following is the formula for calculating the slope (b1) in simple linear regression?
Which of the following is the formula for calculating the slope (b1) in simple linear regression?
- b1-1s{b1}~t(n-2)
- b1t(1-2;n-2)s{b1}
- b1=Y-b1X
- b1=(Xi-X)(Yi-Y)(Xi-X)2=SSXYSSX (correct)
What does s2 represent in simple linear regression?
What does s2 represent in simple linear regression?
- The variance of the “residuals”
- The estimated variance of the “residuals” (correct)
- The standard error of the “residuals”
- The mean of the “residuals”
Which of the following is the correct formula for calculating the margin of error in simple linear regression?
Which of the following is the correct formula for calculating the margin of error in simple linear regression?
- Margin Error = t * Standard Error * s2
- Margin Error = t * Standard Error + s2
- Margin Error = t * Standard Error (correct)
- Margin Error = t * Standard Error / s2
What does s{Yh} represent in simple linear regression?
What does s{Yh} represent in simple linear regression?
Signup and view all the answers
What does s2{pred} represent in simple linear regression?
What does s2{pred} represent in simple linear regression?
Signup and view all the answers
Flashcards are hidden until you start studying
