Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: 9. 10 10 3 Friday the 13th: 13 11 13 9. 5 11

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
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Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month
and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of
hospital admissions from motor vehicle crashes are not affected.
Friday the 6th:
Friday the 13th:
6.
10
10
13
11
13
9.
11
What are the hypotheses for this test?
Transcribed Image Text:Researchers collected data on the numbers of hospital admissions resulting from motor vehicle crashes, and results are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Use a 0.05 significance level to test the claim that when the 13th day of a month falls on a Friday, the numbers of hospital admissions from motor vehicle crashes are not affected. Friday the 6th: Friday the 13th: 6. 10 10 13 11 13 9. 11 What are the hypotheses for this test?
What are the hypotheses for this test?
Let u, be the
mean of the differences
in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data.
Ho: Hd
0.
H Ha
Transcribed Image Text:What are the hypotheses for this test? Let u, be the mean of the differences in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data. Ho: Hd 0. H Ha
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