A mayor running for re-election claims that during his term, average municipal taxes have fallen by $125. A conscientious statistician wants to test this claim. She surveys 38 of her neighbors and finds that their taxes decreased (in dollars) as follows: 102, 129, 94, 182, 126, 146, 145, 154, 158, 142, 73, 198, 151, 115, 177, 136, 159, 89, 105, 145, 69, 154, 140, 107, 127, 172, 69, 158, 77, 82, 192, 116, 53, 134, 98, 97, 180, 146 The statistician assumes a population standard deviation of $36. Do you think the statistician should reject the mayor's claim? Why or why not?
A mayor running for re-election claims that during his term, average municipal taxes have fallen by $125. A conscientious statistician wants to test this claim. She surveys 38 of her neighbors and finds that their taxes decreased (in dollars) as follows: 102, 129, 94, 182, 126, 146, 145, 154, 158, 142, 73, 198, 151, 115, 177, 136, 159, 89, 105, 145, 69, 154, 140, 107, 127, 172, 69, 158, 77, 82, 192, 116, 53, 134, 98, 97, 180, 146 The statistician assumes a population standard deviation of $36. Do you think the statistician should reject the mayor's claim? Why or why not?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 1C
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