Data on the numbers of hospital admissions resulting from motor vehicle crashes are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Construct a 95% confidence interval estimate of the mean of the population of differences between hospital admissions. Use the confidence interval 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. 9. 2 2 4 12 15 12 13 12 In this example, Ha is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the number of hospital admissions on Friday the 6th minus the number of hospital admissions on Friday the 13th. Find the 95% confidence interval. O> Prl >O (Round to two decimal places as needed.)

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Data on the numbers of hospital admissions resulting from motor vehicle crashes are given below for Fridays on the
6th of a month and Fridays on the following 13th of the same month. Assume that the paired sample data is a simple
random sample and that the differences have a distribution that is approximately normal. Construct a 95% confidence
interval estimate of the mean of the population of differences between hospital admissions. Use the confidence
interval 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.
2
4
Friday the 13th
12
15
12
13
12
In this example, µa is the mean value of the differences d for the population of all pairs of data, where each individual
difference d is defined as the number of hospital admissions on Friday the 6th minus the number of hospital
admissions on Friday the 13th. Find the 95% confidence interval.
<Hd <
(Round to two decimal places as needed.)
Transcribed Image Text:Data on the numbers of hospital admissions resulting from motor vehicle crashes are given below for Fridays on the 6th of a month and Fridays on the following 13th of the same month. Assume that the paired sample data is a simple random sample and that the differences have a distribution that is approximately normal. Construct a 95% confidence interval estimate of the mean of the population of differences between hospital admissions. Use the confidence interval 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. 2 4 Friday the 13th 12 15 12 13 12 In this example, µa is the mean value of the differences d for the population of all pairs of data, where each individual difference d is defined as the number of hospital admissions on Friday the 6th minus the number of hospital admissions on Friday the 13th. Find the 95% confidence interval. <Hd < (Round to two decimal places as needed.)
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