Question

In a bumper test, three types of autos were deliberately crashed
into a barrier at 5 mph, and the resulting damage (in dollars) was
estimated. Five test vehicles of each type were crashed, with the
results shown below. *Research question:* Are the mean crash
damages the same for these three vehicles?

Crash Damage ($) | ||

Goliath |
Varmint |
Weasel |

1,660 | 1,270 | 1,040 |

790 | 1,490 | 2,110 |

880 | 1,380 | 1,800 |

1,980 | 1,810 | 1,280 |

1,210 | 990 | 1,920 |

Fill in the missing data. **(Round your p-value to 4
decimal places, mean values to 1 decimal place, and other answers
to 2 decimal places.)**

Group | Mean | n |
Std. Dev | Variance |

Goliath | ||||

Varmint | ||||

Weasel | ||||

Total | ||||

One-Factor ANOVA | |||||

Source | SS |
df |
MS |
F |
p-value |

Treatment | |||||

Error | |||||

Total | |||||

Calculate the value of *H*_{calc}. **(Round
your answer to 2 decimal places.)**

H_{calc} ??

Answer #1

using data >data>data analysis>one way ANOVA

we have

Anova: Single Factor | ||||||

SUMMARY | ||||||

Groups | Count | Sum | Average | Variance | ||

Goliath | 5 | 6520 | 1304 | 259130 | ||

Varmint | 5 | 6940 | 1388 | 90220 | ||

Weasel | 5 | 8150 | 1630 | 203500 | ||

ANOVA | ||||||

Source of Variation | SS | df | MS | F | P-value | F crit |

Between Groups | 286493.3 | 2 | 143246.7 | 0.777318 | 0.48146 | 3.885294 |

Within Groups | 2211400 | 12 | 184283.3 | |||

Total | 2497893 | 14 |

Group | Mean | n |
Std. Dev | Variance |

Goliath | 1304 | 5 | 509.0481 | 259130 |

Varmint | 1388 | 5 | 300.3664 | 90220 |

Weasel | 1630 | 5 | 451.1097 | 203500 |

Total | 4322 | 15 | 1260.5242 | 552850 |

Source of Variation | SS | df | MS | F | P-value |

Treatment | 286493.3 | 2 | 143246.7 | 0.777318 | 0.48146 |

Error | 2211400 | 12 | 184283.3 | ||

Total | 2497893 | 14 |

In a bumper test, three types of autos were deliberately crashed
into a barrier at 5 mph, and the resulting damage (in dollars) was
estimated. Five test vehicles of each type were crashed, with the
results shown below. Research question: Are the mean crash
damages the same for these three vehicles?
Crash Damage ($)
Goliath
Varmint
Weasel
1,600
1,250
1,050
790
1,420
2,160
870
1,300
1,850
1,960
1,810
1,250
1,220
980
1,910
Click here for the Excel Data File
Fill...

In a bumper test, three types of autos were deliberately crashed
into a barrier at 5 mph, and the resulting damage (in dollars) was
estimated. Five test vehicles of each type were crashed, with the
results shown below. Research question: Are the mean crash
damages the same for these three vehicles?
Crash Damage ($)
Goliath
Varmint
Weasel
1,600
1,290
1,090
760
1,400
2,100
880
1,390
1,830
1,950
1,850
1,250
1,220
950
1,920
Click here for the Excel Data File
Fill...

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