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: 10 14 7 13 What are the hypotheses for this test? Let μd be the mean of the differences Ho: Hd = 0 H₁: Hd #0 11 14 11 10 4 6 Find the value of the test statistic. t= -2.860 (Round to three decimal places as needed.) 50 13 in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data. Identify the critical value(s). Select the correct choice below and fill the answer box within your choice. (Round to three decimal places as needed.) OA. The critical values are t = t OB. The critical value is t =

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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:
10
14
7
13
What are the hypotheses for this test?
Let Hd be the mean of the differences
Ho: Hd = 0
H₁: Hd
0
11
14
11
10
4
6
Find the value of the test statistic.
t= -2.860 (Round to three decimal places as needed.)
50
13
in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data.
Identify the critical value(s). Select the correct choice below and fill the answer box within your choice.
(Round to three decimal places as needed.)
OA. The critical values are t = t
OB. The critical value is t =
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: 10 14 7 13 What are the hypotheses for this test? Let Hd be the mean of the differences Ho: Hd = 0 H₁: Hd 0 11 14 11 10 4 6 Find the value of the test statistic. t= -2.860 (Round to three decimal places as needed.) 50 13 in the numbers of hospital admissions resulting from motor vehicle crashes for the population of all pairs of data. Identify the critical value(s). Select the correct choice below and fill the answer box within your choice. (Round to three decimal places as needed.) OA. The critical values are t = t OB. The critical value is t =
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