Data for a sample of 30 apartments in a particular neighborhood are provided in the worksheet....

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Data for a sample of 30 apartments in a particular neighborhoodare provided in the worksheet. You want to see if there is a directrelationship between Size of the Apartment and Rent.
Rent Size
950 850
1500 1450
1150 1085
1400 1232
950 718
1700 1485
1550 1136
935 726
875 700
1050 956
1400 1100
1650 1500
1875 1985
1800 1674
1395 1223
1375 1225
1100 1300
1500 1345
1200 1150
1150 896
1100 1361
1150 1040
1200 755
800 1000
850 1200
500 650
900 1100
1000 900
1025 1000
900 953
Approximately what percentage of the variation in Rent isexplained by the regression model you derived?

Place your answer, rounded to 1 decimal place.

Answer & Explanation Solved by verified expert

3.9 Ratings (484 Votes)

We need to find the coefficient of determination r2which is the square of the correlation coefficient rTo calculate pearsons co efficient rFrom the Given data the following is calculated Tables givenat the endSUM x 35930 SUM y 33695 SUM xy 42732795SUM x2 46125250 SUM x2 359302 1290964900SUM y2 See Answer

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Rent	Size
950	850
1500	1450
1150	1085
1400	1232
950	718
1700	1485
1550	1136
935	726
875	700
1050	956
1400	1100
1650	1500
1875	1985
1800	1674
1395	1223
1375	1225
1100	1300
1500	1345
1200	1150
1150	896
1100	1361
1150	1040
1200	755
800	1000
850	1200
500	650
900	1100
1000	900
1025	1000
900	953