A real estate developer wishes to study the relationship between the size of home a client will purchase (in square feet) and other variables. Possible independent variables include the family income, family size, whether there is a senior adult parent living with the family (1 for yes, 0 for no), and the total years of education beyond high school for the husband and wife. The sample information is reported below. Family Square Feet Income (000s) Family Size Senior Parent Education 1 2,300 60.8 2 0 4 2 2,300 68.4 3 1 6 3 3,400 104.5 3 0 7 4 3,360 89.3 4 1 0 5 3,000 72.2 4 0 2 6 2,900 114 3 1 10 7 4,100 125.4 5 0 6 8 2,500 83.6 3 0 8 9 4,200 133 5 0 2 10 2,800 95 3 0 6 Click here for the Excel Data File a. Develop an appropriate multiple regression equation using stepwise regression. (Use Excel data analysis and enter number of family members first, then their income and delete any insignificant variables. Leave no cells blank - be certain to enter "0" wherever required. R and R2 adj are in percent values. Round your answers to 3 decimal places.) c. Write out the regression equation. d. Report and interpret the adjusted R2.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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11.

A real estate developer wishes to study the relationship between the size of home a client will purchase (in square feet) and other variables. Possible independent variables include the family income, family size, whether there is a senior adult parent living with the family (1 for yes, 0 for no), and the total years of education beyond high school for the husband and wife. The sample information is reported below.

Family	Square Feet	Income (000s)	Family Size	Senior Parent	Education
1		2,300		60.8		2	0	4
2		2,300		68.4		3	1	6
3		3,400		104.5		3	0	7
4		3,360		89.3		4	1	0
5		3,000		72.2		4	0	2
6		2,900		114		3	1	10
7		4,100		125.4		5	0	6
8		2,500		83.6		3	0	8
9		4,200		133		5	0	2
10		2,800		95		3	0	6

Click here for the Excel Data File

a. Develop an appropriate multiple regression equation using stepwise regression. (Use Excel data analysis and enter number of family members first, then their income and delete any insignificant variables. Leave no cells blank - be certain to enter "0" wherever required. R and R² adj are in percent values. Round your answers to 3 decimal places.)
c. Write out the regression equation.

d. Report and interpret the adjusted R².

R²

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