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: 10 6 12 12 4 4 0 Friday the 13th: 15 13 14 11 6 10 What are the hypotheses for this test? Let Ha be the V in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data. Ho: Ha H: Ha 0 mean of the differences difference between the means

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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.
de
Friday the 6th:
Friday the 13th:
10
6.
12
12
4먼
15
13
14
11
10
iti
What are the hypotheses for this test?
Let Hd
be the
in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data.
Ho: Hd
Hy: Hd
je
이▲
difference between the means
mean of the differences
ve
tim
jed
dc
un
46
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. de Friday the 6th: Friday the 13th: 10 6. 12 12 4먼 15 13 14 11 10 iti What are the hypotheses for this test? Let Hd be the in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data. Ho: Hd Hy: Hd je 이▲ difference between the means mean of the differences ve tim jed dc un 46
d to three decimal places as
The critical value is t =
The critical values are t= ±
Transcribed Image Text:d to three decimal places as The critical value is t = The critical values are t= ±
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