Question

As part of a study designed to compare hybrid and similarly
equipped conventional vehicles, *Consumer Reports* tested a
variety of classes of hybrid and all-gas model cars and sport
utility vehicles (SUVs). The following data show the
miles-per-gallon rating *Consumer Reports* obtained for two
hybrid small cars, two hybrid midsize cars, two hybrid small SUVs,
and two hybrid midsize SUVs; also shown are the miles per gallon
obtained for eight similarly equipped conventional models.

Make/Model | Class | Type | MPG |
---|---|---|---|

Honda Civic | Small Car | Hybrid | 37 |

Honda Civic | Small Car | Conventional | 28 |

Toyota Prius | Small Car | Hybrid | 44 |

Toyota Corolla | Small Car | Conventional | 32 |

Chevrolet Malibu | Midsize Car | Hybrid | 27 |

Chevrolet Malibu | Midsize Car | Conventional | 23 |

Nissan Altima | Midsize Car | Hybrid | 32 |

Nissan Altima | Midsize Car | Conventional | 25 |

Ford Escape | Small SUV | Hybrid | 27 |

Ford Escape | Small SUV | Conventional | 21 |

Saturn Vue | Small SUV | Hybrid | 28 |

Saturn Vue | Small SUV | Conventional | 22 |

Lexus RX | Midsize SUV | Hybrid | 23 |

Lexus RX | Midsize SUV | Conventional | 19 |

Toyota Highlander | Midsize SUV | Hybrid | 24 |

Toyota Highlander | Midsize SUV | Conventional | 18 |

At the α = 0.05 level of significance, test for significant effects due to class, type, and interaction.

Find the value of the test statistic for class. (Round your answer to two decimal places.)

______________.

Find the *p*-value for class. (Round your answer to three
decimal places.)

*p*-value = ___________.

Find the value of the test statistic for type. (Round your answer to two decimal places.)

_________________.

Find the *p*-value for type. (Round your answer to three
decimal places.)

*p*-value =______________.

Find the value of the test statistic for interaction between class and type. (Round your answer to two decimal places.)

__________________.

Find the *p*-value for interaction between class and
type. (Round your answer to three decimal places.)

*p*-value = _______________.

Answer #1

As part of a study designed to compare hybrid and similarly
equipped conventional vehicles, a variety of classes of hybrid and
all-gas model cars and sport utility vehicles (SUVs) were tested.
The data showing the miles-per-gallon rating study obtained for two
hybrid small cars, two hybrid midsize cars, two hybrid small SUVs,
two hybrid midsize SUVs, and eight similarly equipped conventional
models are contained in the Excel Online file below. Construct a
spreadsheet to answer the following questions.
a. At...

As part of a study designed to compare hybrid and similarly
equipped conventional vehicles, Consumer Reports tested a
variety of classes of hybrid and all-gas model cars and sport
utility vehicles (SUVs) were tested. The following data show the
miles-per-gallon rating Consumer Reports obtained for two
hybrid small cars, two hybrid midsize cars, two hybrid small SUVs,
and two hybrid midsize SUVs; also shown are the miles per gallon
obtained for eight similarly equipped conventional models.
Make/Model
Class
Type
MPG...

As part of a study designed to compare hybrid and similarly
equipped conventional vehicles, a group tested a variety of classes
of hybrid and all-gas model cars and sport utility vehicles (SUVs).
Suppose the following data show the miles-per-gallon rating
obtained for two hybrid small cars, two hybrid midsize cars, two
hybrid small SUVs, and two hybrid midsize SUVs; also shown are the
miles per gallon obtained for eight similarly equipped conventional
models.
Class
Type
MPG
Small Car
Hybrid
37...

As part of a study designed to compare hybrid and similarly
equipped conventional vehicles, a group tested a variety of classes
of hybrid and all-gas model cars and sport utility vehicles (SUVs).
Suppose the following data show the miles-per-gallon rating
obtained for two hybrid small cars, two hybrid midsize cars, two
hybrid small SUVs, and two hybrid midsize SUVs; also shown are the
miles per gallon obtained for eight similarly equipped conventional
models.
Class
Type
MPG
Small Car
Hybrid
38...

As part of a study designed to compare hybrid and similarly
equipped conventional vehicles, a group tested a variety of classes
of hybrid and all-gas model cars and sport utility vehicles (SUVs).
Suppose the following data show the miles-per-gallon rating
obtained for two hybrid small cars, two hybrid midsize cars, two
hybrid small SUVs, and two hybrid midsize SUVs; also shown are the
miles per gallon obtained for eight similarly equipped conventional
models.
Class
Type
MPG
Small Car
Hybrid
37...

You may need to use the appropriate technology to answer this
question.
As part of a study designed to compare hybrid and similarly
equipped conventional vehicles, Consumer Reports tested a
variety of classes of hybrid and all-gas model cars and sport
utility vehicles (SUVs). The following data show the
miles-per-gallon rating Consumer Reports obtained for two
hybrid small cars, two hybrid midsize cars, two hybrid small SUVs,
and two hybrid midsize SUVs; also shown are the miles per gallon
obtained...

You may need to use the appropriate technology to answer this
question.
As part of a study designed to compare hybrid and similarly
equipped conventional vehicles, Consumer Reports tested a
variety of classes of hybrid and all-gas model cars and sport
utility vehicles (SUVs). The following data show the
miles-per-gallon rating Consumer Reports obtained for two
hybrid small cars, two hybrid midsize cars, two hybrid small SUVs,
and two hybrid midsize SUVs; also shown are the miles per gallon
obtained...

It is a common belief that SUVs are safer than cars. In a
collision, does an SUV sustain less damage (cost of repair) than a
car?
SUV into Car
SUV Damage ($)
Car Damage ($)
Honda CR-V into Honda Civic
$1,721
$1,274
Toyota RAV4 into Toyota Corolla
$1,434
$2,327
Hyundai Tuscon into Kia Forte
$850
$3,223
Volkswagon Tiguan into Volkswagon Golf
$2,329
$2,058
Jeep Patriot into Dodge Caliber
$1,415
$3,095
Ford Escape into Ford Focus
$1,470
$3,386
Nissan Rogue into...

Use the technology display, which results from the head injury
measurements from car crash dummies listed below. The measurements
are in hic (head injury criterion) units, and they are from the
same cars used for the table below. Use a 0.10 significance level
to test the given claim.
Test the null hypothesis that head injury measurements are not
affected by an interaction between the type of car (foreign,
domestic) and size of the car (small, medium, large). What do
you...

Use the technology display, which results from the head injury
measurements from car crash dummies listed below. The measurements
are in hic (head injury criterion) units, and they are from the
same cars used for the table below. Use a 0.10 significance level
to test the given claim. Test the null hypothesis that head injury
measurements are not affected by an interaction between the type of
car (foreign, domestic) and size of the car (small, medium,
large). What do you...

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