Math Solutions

(Step-by-Step) For the house sales data in Table 9.12 shows a regression analysis relating selling price to number of bedrooms Report the prediction equation,

Question: For the house sales data in Table 9.12 shows a regression analysis relating selling price to number of bedrooms

  1. Report the prediction equation, and interpret the slope.
  2. Using the sample slope and the standard deviations, find the correlation. Interpret its value.
  3. Report r^2 and interpret the value.
  4. Construct a 95% confidence intervals for β and interpret.

Table 9.12

variable N Mean Std Dev
Price 100 155331 101262.2
Bedrooms 100 3 .651339
Source DF Sum of squares Mean square
Model 1 1.575534E+11 1.575534E+11
Error 98 8.575962E+11 8750981211
Total 99 1.01515E+12
Root MSE 93547 R-Square .1552
Variable Parameter estimate Standard Error t Sig.
Intercept -28412 44303 -.64 .5228
Bedrooms 61248 14435 4.24 ‹.001

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