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Category > Computer Science Posted 27 Jul 2017 My Price 7.00

Multiple Regression Analysis

5.28 ● The following data on sale price, size, and land-to- building ratio for 10 large industrial properties appeared in the paper “Using Multiple Regression Analysis in Real Estate Appraisal” (Appraisal Journal [2002]: 424–430):

 

 

Sale Price

Size

Land-to-

(millions

(thousands

Building

Property

of dollars)

of sq. ft.)

Ratio

1                 10.6                 2166                 2.0

2                   2.6                   751                 3.5

3                 30.5                 2422                 3.6

4                   1.8                   224                 4.7

5                 20.0                 3917                 1.7

6                   8.0                 2866                 2.3

7                 10.0                 1698                 3.1

8                   6.7                 1046                 4.8

9                   5.8                 1108                 7.6

10                   4.5                   405               17.2

 

 

a.    Calculate and interpret the value of the correlation coefficient between sale price and size.

b.    Calculate and interpret the value of the correlation co- efficient between sale price and land-to-building ratio.

c.    If you wanted to predict sale price and you could use either size or land-to-building ratio as the basis for making predictions, which would you use? Explain.

d.    Based on your choice in Part (c), find the equation of the least-squares regression line you would use for pre- dicting y = sale price.

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Maurice Tutor
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Status NEW Posted 27 Jul 2017 10:07 AM My Price 7.00

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