Problem 11BSC

Use analysis of variance for the indicated test.

Triathlon Times Jeff Parent is a statistics instructor who participates in triathlons. Listed below are times (in minutes and seconds) he recorded while riding a bicycle for five laps through each mile of a 3-mile loop. Use a 0.05 significance level to test the claim that it takes the same time to ride each of the miles. Does one of the miles appear to have a hill?

Answer:

Step 1 of 1</p>

The Hypothesis can be expressed as

H0:

H1: At least one of them is not equal.

Mile 1 | Mile 2 | Mile 3 |

3.15 | 3.19 | 3.34 |

3.24 | 3.22 | 3.31 |

3.23 | 3.21 | 3.29 |

3.22 | 3.17 | 3.31 |

3.21 | 3.19 | 3.29 |

Using Excel function

Select Data Data Analysis Choose ANOVA single factor.

Selecting the entire range Click OK

...ANOVA | ||||||

Source of Variation | SS | df | MS |