Homework Assignment 3 (uses "reasons to buy" data and "cars-triola" data

1. Using Reason to buy data, find the clustered bar chart and perform a chi square test of independence on the two variables, student group and reasons to buy.
2. Use the appropriate T-tests for the following:
3. To see if the average city mileage is significantly different than 20 mpg.
4. Is the average highway mileage significantly higher than the average city mileage
5. for this sample?
6. Is there a significant difference in the average city mileage comparing manual
7. versus auto transmission vehicles?

3.

1. Is there any significant difference in the average city mileage comparing 4, 6 and
2. 8 cylinder vehicles?
3. And also do a post hoc comparison test.
4. Do an error bar graph.

Numbers File Edit Insert Table Format Arrange View Share Window Help . . Copy of HW 2 Reason to buy-1 125% T View Zoom Insert Table Chart Text Shape Media Comment + Sheet1 Sheet2 Sheet3 This Student Group Reason to Buy Count American Save Time 29 American Easy 28 American Low Price 17 American Live Far From Stores 11 American No Pressure to Buy 10 American Other 20 Asian Save Time 10 Asian Easy 11 Asian Low Price 34 Asian Live Far From Stores 4 Asian No Pressure to Buy 3 Asian Other 78 74% Wed 12:53 PM QE Numbers File Edit Insert Table Format Arrange View Share Window Help Copy of HW 2 Reason to buy-1 (2) (1) 2 125% v it v T Format Sort & Filter Media Comment Collaborate View Zoom Insert Table Chart Text Shape + Sheet1 Sheet2 Sheet3 ? This spreadsheet has missing fonts. Show Student Group Reason to Buy Count American Save Time 29 American Easy 28 American Low Price 17 American Live Far From Stores 11 American No Pressure to Buy 10 American Other 20 Asian Save Time 10 Asian Easy 11 Asian Low Price 34 Asian Live Far From Stores 4 Asian No Pressure to Buy 3 Asian Other 7 Nothing selected. Select an object to format.Numbers File Edit Insert Table Format Arrange View Share Window Help 8 74% Wed 12:53 PM Q Copy of CARS (2) 2 DV 125% v T View Zoom Insert Table Chart Text Shape Media Comment Collaborate Format Sort & Filter + Sheet1 Sheet2 Sheet3 CAR CITY HWY WEIGHT CYLINDERS DISPLACEMENT MAN/AUTO GHG NOX Chev. Camaro 19 30 3545 6 3.8 M 12 34.4 Chev. Cavalier 23 31 2795 2.2 A 10 25.1 Dodge Neon 23 32 2600 2 A 10 25.1 Ford Taurus 19 27 3515 3 A 12 25.1 Honda Accord 23 30 3245 2.3 A 11 25.1 Lincoln Cont. 17 24 3930 4.6 A 14 25.1 Mercury Mystique 20 29 3115 2.5 A 12 34.4 Mitsubishi Eclipse 22 33 3235 2 M 10 25.1 Olds. Aurora 17 26 3995 4 A 13 34.4 Pontiac Grand Am 22 30 3115 2.4 A 11 25.1 Toyota Camry 23 32 3240 AAA OO O O O OO OO A A DO A OOO AO AA 2.2 M 10 25.1 Cadillac De Ville 17 26 4020 4.6 A 13 34.4 Chev. Corvette 18 28 3220 5.7 M 12 34.4 Chrysler Sebring 19 27 3175 2.5 A 12 25.1 20 29 3450 3.8 M 12 34.4 Nothing selected. Ford Mustang BMW 3-Series 3225 12 34.4 Select an object to format. 19 27 2.8 A Ford Crown Victoria 17 24 3985 4.6 A 14 25.1 Honda Civic 32 37 2440 1.6 M 8 25.1 Mazda Protege 29 34 2500 1.6 A 9 25.1 Hyundai Accent 28 37 2290 1.5 A 9 34.4