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: 9 14 t= Find the value of the test statistic. 5 12 12 15 12 11 (Round to three decimal places as needed.) 3 5 What are the hypotheses for this test? Let μd 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 4 H₁ H 0 60 14 F
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: 9 14 t= Find the value of the test statistic. 5 12 12 15 12 11 (Round to three decimal places as needed.) 3 5 What are the hypotheses for this test? Let μd 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 4 H₁ H 0 60 14 F
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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Question
9.3 Q2
need t statistic
p value
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:
9
t
14
What are the hypotheses for this test?
Let μd be the
Ho Hd = 0
H₁ H 0
5
12
Find the value of the test statistic.
mean of the differences
12
15
12
11
(Round to three decimal places as needed.)
3
5
60
14
G
in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data.
4
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