Statistics Solutions

(See Solution) Refer to elliptical spreadsheet where the following data were used to investigate whether higher prices are generally associated with higher ratings

Question: Refer to elliptical spreadsheet where the following data were used to investigate whether higher prices are generally associated with higher ratings for elliptical trainers.

With x=price ($) and y=rating, the estimated regression equation is ^y = 58.158 + .008449x. For these data, SSE = 173.88

  1. Compute the coefficient of determination r2
  2. Did the estimated regression equation provide a good fit? Explain.
  3. What is the value of the sample correlation coefficient? Does it reflect a strong or weak relationship between price and rating?

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


∴ Other downloads you may be interested in ∴

log in to your account

Forgot password?
Don't have a membership account?
REGISTER

reset password

Back to
log in

sign up

Back to
log in