Square Footage, x 2251 3240 1137 1966 3001 2730 3998 2286 2734 1767 1869 3978 Selling Price ($000s), y 387.4 382.7 191.3 336.6 603.6 363.4 609.9 388.8 444.5 307.2 283.8 715.1

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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​(e) Find the​ least-squares regression line treating square footage as the explanatory variable.

Data Table
Square Footage, x
2251
3240
1137
1966
3001
2730
3998
2286
2734
1767
1869
3978
Selling Price ($000s), y
387.4
382.7
191.3
336.6
603.6
363.4
609.9
388.8
444.5
307.2
283.8
715.1
Transcribed Image Text:Data Table Square Footage, x 2251 3240 1137 1966 3001 2730 3998 2286 2734 1767 1869 3978 Selling Price ($000s), y 387.4 382.7 191.3 336.6 603.6 363.4 609.9 388.8 444.5 307.2 283.8 715.1
One of the biggest factors in determining the value of a home is the square footage. The accompanying data represent the square footage and selling price (in thousands of dollars)
for a random sample of homes for sale in a certain region. Complete parts (a) through (h) below.
Click the icon to view the housing data.
1000-
1000
O No
4000
Yes
150-
1000
4000
(c) Determine the linear correlation coefficient between square footage and asking price.
r= 0.900
(Round to three decimal places as needed.)
(d) Is there a linear relation between square footage and asking price?
C
150
1000
(e) Find the least-squares regression line treating square footage as the explanatory variable.
y=x+
(Round the slope to three decimal places as needed. Round the intercept to one decimal place as needed.)
4000
1000
150
750
Transcribed Image Text:One of the biggest factors in determining the value of a home is the square footage. The accompanying data represent the square footage and selling price (in thousands of dollars) for a random sample of homes for sale in a certain region. Complete parts (a) through (h) below. Click the icon to view the housing data. 1000- 1000 O No 4000 Yes 150- 1000 4000 (c) Determine the linear correlation coefficient between square footage and asking price. r= 0.900 (Round to three decimal places as needed.) (d) Is there a linear relation between square footage and asking price? C 150 1000 (e) Find the least-squares regression line treating square footage as the explanatory variable. y=x+ (Round the slope to three decimal places as needed. Round the intercept to one decimal place as needed.) 4000 1000 150 750
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