A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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J 2

 

The accompanying data represent the square footage and rent for apartments in a region of a city and a nearby county. A scatter diagram that shows the data for the city region with the least-squares regression line is available below. Use the data for the city region a
determine if there are any outliers or influential observations.
Click here to view the apartment data. Click here to view the scatter diagram.
Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice.
O A. The observation
(Type an ordered pair, using integers or decimals. Do not round.)
The least-squares line omitting this point is
(Round to one decimal place as needed.)
OB. The observation
OC. The observation
(Type an ordered pair. Type integers or decimals. Do not round.)
The least-squares line omitting this point is
(Round to one decimal place as needed.)
(Type an ordered pair. Type integers or decimals. Do not round.)
Omitting this point does not change the equation of the least-squares line.
O D. There are no outliers or influential observations.
Square Footage, x
500
588
1000
688
825
460
Apartment Square Footage and Rent
1259
650
560
1073
is both an outlier and an influential point.
City Region
1452
1305
is an influential point, but it is not an outlier.
2700
1200
1250
2350
3300
3100
Rent per Month, y
650
1215
2000
1655
1250
1805
X +
is an outlier, but it is not an influential point.
X +
County
Square Footage, x
1100
588
1250
556
825
743
660
975
1429
800
1906
1077
Rent per Month, y
1875
1075
1775
1050
1300
1475
1315
1400
1900
1650
4625
1395
D
C
- X
Scatter Diagram
Rent per Month
5000-
4000-
3000-
2000-
1000-
0-
0
80 lo
0
Apartments
600
y=2.209x-34.3
Print
0
0
1200
Square Footage
1800
Done
2400
Q
- X
expand button
Transcribed Image Text:The accompanying data represent the square footage and rent for apartments in a region of a city and a nearby county. A scatter diagram that shows the data for the city region with the least-squares regression line is available below. Use the data for the city region a determine if there are any outliers or influential observations. Click here to view the apartment data. Click here to view the scatter diagram. Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. The observation (Type an ordered pair, using integers or decimals. Do not round.) The least-squares line omitting this point is (Round to one decimal place as needed.) OB. The observation OC. The observation (Type an ordered pair. Type integers or decimals. Do not round.) The least-squares line omitting this point is (Round to one decimal place as needed.) (Type an ordered pair. Type integers or decimals. Do not round.) Omitting this point does not change the equation of the least-squares line. O D. There are no outliers or influential observations. Square Footage, x 500 588 1000 688 825 460 Apartment Square Footage and Rent 1259 650 560 1073 is both an outlier and an influential point. City Region 1452 1305 is an influential point, but it is not an outlier. 2700 1200 1250 2350 3300 3100 Rent per Month, y 650 1215 2000 1655 1250 1805 X + is an outlier, but it is not an influential point. X + County Square Footage, x 1100 588 1250 556 825 743 660 975 1429 800 1906 1077 Rent per Month, y 1875 1075 1775 1050 1300 1475 1315 1400 1900 1650 4625 1395 D C - X Scatter Diagram Rent per Month 5000- 4000- 3000- 2000- 1000- 0- 0 80 lo 0 Apartments 600 y=2.209x-34.3 Print 0 0 1200 Square Footage 1800 Done 2400 Q - X
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