Compute the leverage values for these data, using data from all 22 car models. Which car has the largest leverage value? Find the corresponding deleted studentized residual for this car (for example, if it were the Acura NSX, your answer would be the deleted studentized residual for obs. 1). Would you consider this observation an outlier?

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The following table gives the city and highway mileages (miles per gallon) for 22 two-seaters listed for the 2002 model year.
City Highway Obs. ID Model
17 24
12
Obs. ID Model
1
12
3
4
5
6
7
8
19
10
11
O no
Acura NSX
O yes
Audi TT Quattro
Audi TT Roadster
BMW M Coupe
BMW Z3 Coupe
BMW Z3 Roadster
BMW Z8
20 28
22 31
17 25
19 27
20 27
13 21
Chevrolet Corvette 18 25
Chrysler Prowler 18 23
Ferrari 360 Modena 11 16
Ford Thurderbird 17 23
13
14
15
16
17
18
19
20
21
22
Honda Insight
Honda S2000
City Highway
57 56
Porsche 911 GT2
Porsche Boxster
Toyota MR2
20 26
Lamborghini Murcielago 9 13
Mazda Miata
22 28
Mercedes-Benz SL500 16 23
Mercedes-Benz SL600 13 19
Mercedes-Benz SLK230 23
30
Mercedes-Benz SLK320 20
26
15 22
19 27
25 30
Compute the leverage values for these data, using data from all 22 car models.
Which car has the largest leverage value? Find the corresponding deleted studentized residual for this car (for example, if it were the Acura NSX, your answer would
be the deleted studentized residual for obs. 1). Would you consider this observation an outlier?
Transcribed Image Text:The following table gives the city and highway mileages (miles per gallon) for 22 two-seaters listed for the 2002 model year. City Highway Obs. ID Model 17 24 12 Obs. ID Model 1 12 3 4 5 6 7 8 19 10 11 O no Acura NSX O yes Audi TT Quattro Audi TT Roadster BMW M Coupe BMW Z3 Coupe BMW Z3 Roadster BMW Z8 20 28 22 31 17 25 19 27 20 27 13 21 Chevrolet Corvette 18 25 Chrysler Prowler 18 23 Ferrari 360 Modena 11 16 Ford Thurderbird 17 23 13 14 15 16 17 18 19 20 21 22 Honda Insight Honda S2000 City Highway 57 56 Porsche 911 GT2 Porsche Boxster Toyota MR2 20 26 Lamborghini Murcielago 9 13 Mazda Miata 22 28 Mercedes-Benz SL500 16 23 Mercedes-Benz SL600 13 19 Mercedes-Benz SLK230 23 30 Mercedes-Benz SLK320 20 26 15 22 19 27 25 30 Compute the leverage values for these data, using data from all 22 car models. Which car has the largest leverage value? Find the corresponding deleted studentized residual for this car (for example, if it were the Acura NSX, your answer would be the deleted studentized residual for obs. 1). Would you consider this observation an outlier?
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