searchers 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 increases. Friday the 6th: 9 10 11 11 3 5 Friday the 13th: 13 12 14 10 4 12 a. Fill in the table with the appropriate signs. Friday the 6th: 9 10 11 11 3 5 Friday the 13th: 13 12 14 10 4 12 Sign: nothing nothing nothing nothing nothing nothing b. State Upper H 0 and Upper H 1 . A. Upper H 0 : Median of differences equ
searchers 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 increases. Friday the 6th: 9 10 11 11 3 5 Friday the 13th: 13 12 14 10 4 12 a. Fill in the table with the appropriate signs. Friday the 6th: 9 10 11 11 3 5 Friday the 13th: 13 12 14 10 4 12 Sign: nothing nothing nothing nothing nothing nothing b. State Upper H 0 and Upper H 1 . A. Upper H 0 : Median of differences equ
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 13PT
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Question
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 increases.
Friday the 6th: 9
10
Friday the 13th: 13 12 14 10 4 12
a. Fill in the table with the appropriate signs.
Friday the 6th: 9
10
Friday the 13th: 13 12 14 10 4 12
Sign:
nothing
nothing
nothing
nothing
nothing
nothing
b. State
Upper H 0
and
Upper H 1
.
A.
Upper H 0 : Median of differences equals 0 comma Upper H 1 : Median greater than 0
B.
Upper H 0 : Median of differences equals 0 comma Upper H 1 : Median less than 0
C.
Upper H 0 : Median of differences equals 0 comma Upper H 1 : Median not equals 0
c. Calculate x and n and find the critical value
x =
nothing
n =
nothing
Critical value = nothing
d. State the technical conclusion.
A.
Reject Upper H 0
B.
Do not reject Upper H 0
e. State the final conclusion.
A.
There is not sufficient sample evidence to support the claim.
B.
There is sufficient evidence to warrant rejection of the claim.
C.
There is not sufficient evidence to warrant rejection of the claim.
D.
The sample data support the claim.
f. Does it appear that Friday the 13th is unlucky in terms of the number motor vehicle crashes?
A.
No
B.
Yes
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