-4.36 Sq-56.0% SS 76501718347 60109046053 17.02 -0.26 0.798 R-Sq (adj) -54.6% MS 25500572782 626135896 F P ent from -0.5? e 1% level, making sure to state the null and alternative h to the term "R-sq" and comment on its value.

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Bluereef real estate agent wants to form a relationship between the prices of houses, how many
bedrooms, House size in sq ft and Lot Size in sq ft.
The data pertaining to 100 houses were processed using MINITAB and the following is an extract
of the output obtained:
The regression equation is Price = B + Bedroom + yHouse Size + ALot Size
Predictor
Coef
SE Coef
T
P
Constant
37718
2.66
**
Bedrooms
2306
0.33
74.3
-4.36
House Size
Lot Size
S-25023
Error
Total
R-Sq-56.0 %
96
99
14177
6994
52.98
17.02
0.742
0.164
-0.26 0.798
Source
DE
SS
MS
F
Regression 3 76501718347 25500572782 ***
Residual
60109046053 626135896
R-Sq (adj) -54.6%
P
d) Is y significantly different from -0.5?
e) Perform the F test at the 1% level, making sure to state the null and alternative hypoteses.
f) Give an interpretation to the term “R-sq” and comment on its value.
Transcribed Image Text:Bluereef real estate agent wants to form a relationship between the prices of houses, how many bedrooms, House size in sq ft and Lot Size in sq ft. The data pertaining to 100 houses were processed using MINITAB and the following is an extract of the output obtained: The regression equation is Price = B + Bedroom + yHouse Size + ALot Size Predictor Coef SE Coef T P Constant 37718 2.66 ** Bedrooms 2306 0.33 74.3 -4.36 House Size Lot Size S-25023 Error Total R-Sq-56.0 % 96 99 14177 6994 52.98 17.02 0.742 0.164 -0.26 0.798 Source DE SS MS F Regression 3 76501718347 25500572782 *** Residual 60109046053 626135896 R-Sq (adj) -54.6% P d) Is y significantly different from -0.5? e) Perform the F test at the 1% level, making sure to state the null and alternative hypoteses. f) Give an interpretation to the term “R-sq” and comment on its value.
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