4. The average annual rainfall for a certain area was previously known to be 35 inches. A local meteorol- ogist believes the average rainfall recorded in the last five years was significantly higher. The average annual rainfall recorded in the last five years was: 36.6, 38.5, 37.1, 34.9, 35.9. Test this at significance level 0.05.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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4. The average annual rainfall for a certain area was previously known to be 35 inches. A local meteorol-
ogist believes the average rainfall recorded in the last five years was significantly higher. The average
annual rainfall recorded in the last five years was: 36.6, 38.5, 37.1, 34.9, 35.9. Test this at significance
level 0.05.
Transcribed Image Text:4. The average annual rainfall for a certain area was previously known to be 35 inches. A local meteorol- ogist believes the average rainfall recorded in the last five years was significantly higher. The average annual rainfall recorded in the last five years was: 36.6, 38.5, 37.1, 34.9, 35.9. Test this at significance level 0.05.
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