What is the meaning of r? A. í measures the proportion of variation in apartment size that can be explained by the variation in monthly rent. B. measures the proportion of variation in apartment size that cannot be explained by the variation in monthly ren C. * measures the proportion of variation in monthly rent that cannot be explained by the variation in apartment size D. measures the proportion of variation in monthly rent that can be explained by the variation in apartment size. b. Determine the standard error of the estimate, Syy. Syx (Round to three decimal places as needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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How do I calculate part b. using excel?

An agent for a real estate company in a large city would like to be able to predict the monthly rental cost for apartments, based
on the size of the apartment, as defined by square footage. A sample of eight apartments in a neighborhood was selected, and
the information gathered revealed the data shown below. For these data, the regression coefficients are bo = 227.7819 and
b1 = 0.9659. Complete parts (a) through (d).
Monthly Rent ($)
900
1,500
825
1,600 2,000
925
1,800 1,400 O
Size (Square Feet)
900
1,200 1,050 1,200 2,000
700
1,350 1,050
a. Determine the coefficient of determination, r, and interpret its meaning.
= 0.712 (Round to three decimal places as needed.)
What is the meaning of r?
O A. r measures the proportion of variation in apartment size that can be explained by the variation in monthly rent.
B.
measures the proportion of variation in apartment size that cannot be explained by the variation in monthly rent.
C. ?
measures the proportion of variation in monthly rent that cannot be explained by the variation in apartment size.
D. measures the proportion of variation in monthly rent that can be explained by the variation in apartment size.
b. Determine the standard error of the estimate, Syx.
Syx
(Round to
decimal places as needed.)
Transcribed Image Text:An agent for a real estate company in a large city would like to be able to predict the monthly rental cost for apartments, based on the size of the apartment, as defined by square footage. A sample of eight apartments in a neighborhood was selected, and the information gathered revealed the data shown below. For these data, the regression coefficients are bo = 227.7819 and b1 = 0.9659. Complete parts (a) through (d). Monthly Rent ($) 900 1,500 825 1,600 2,000 925 1,800 1,400 O Size (Square Feet) 900 1,200 1,050 1,200 2,000 700 1,350 1,050 a. Determine the coefficient of determination, r, and interpret its meaning. = 0.712 (Round to three decimal places as needed.) What is the meaning of r? O A. r measures the proportion of variation in apartment size that can be explained by the variation in monthly rent. B. measures the proportion of variation in apartment size that cannot be explained by the variation in monthly rent. C. ? measures the proportion of variation in monthly rent that cannot be explained by the variation in apartment size. D. measures the proportion of variation in monthly rent that can be explained by the variation in apartment size. b. Determine the standard error of the estimate, Syx. Syx (Round to decimal places as needed.)
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