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12.4 Exercise 27

Avg difficulty 2.5

Are the mean numbers of daily visitors to a ski resort the same for the three types of snow conditions? Suppose that the table shows the results of a study.

Powder Machine Made Hard Packed
1,210 2,107 2,846
1,080 1,149 1,638
1,537 862 2,019
941 1,870 1,178
1,528 2,233
1,382

Assume that all distributions are normal, the four population standard deviations are approximately the same, and the data were collected independently and randomly. Use a level of significance of 0.05.

OpenStax Introductory Business Statistics 2e, 12.4 Facts About the F Distribution, exercise 27

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Adapted from Introductory Business Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Business Statistics 2e. Imported at revision 50ec917.