In order to determine whether or not a driver's education course improves the scores on a driving exam, a sample of 6 drivers were given the exam before and after taking the course. The results are shown below. Assume the population of differences is normally distributed. Score Before the Course Score After the Course Driver 1 2 3 4 5 6 84 91 94 76 86 79 87 88 91 77 93 83 Let d - Score After-Score Before. (a) Compute the test statistic. (Round your answer to three decimal places.) (b) Using a -0.05 and the p-value approach, test to see if taking the course actually increased scores on the driving exam. Calculate the p-value. (Round your answer to four decimal places.) p-value-[ What is your conclusion? O We do not reject Ho. There is no significant difference. O We do not reject Ho. There is a significant difference. O We reject Ho. There is no significant difference. O We reject Ho. There is a significant difference.
In order to determine whether or not a driver's education course improves the scores on a driving exam, a sample of 6 drivers were given the exam before and after taking the course. The results are shown below. Assume the population of differences is normally distributed. Score Before the Course Score After the Course Driver 1 2 3 4 5 6 84 91 94 76 86 79 87 88 91 77 93 83 Let d - Score After-Score Before. (a) Compute the test statistic. (Round your answer to three decimal places.) (b) Using a -0.05 and the p-value approach, test to see if taking the course actually increased scores on the driving exam. Calculate the p-value. (Round your answer to four decimal places.) p-value-[ What is your conclusion? O We do not reject Ho. There is no significant difference. O We do not reject Ho. There is a significant difference. O We reject Ho. There is no significant difference. O We reject Ho. There is a significant difference.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![You may need to use the appropriate technology to answer this question.
In order to determine whether or not a driver's education course improves the scores on a driving exam, a sample of 6 drivers were given the exam before and after taking the course. The results are shown below. Assume the population of differences is normally distributed.
Driver
1
2
3
4
5
6
Score Before
the Course
84
91
94
76
86
79
Score After
the Course
87
88
91
77
93
83
Let d = Score After Score Before.
(a) Compute the test statistic. (Round your answer to three decimal places.)
(b) Using a = 0.05 and the p-value approach, test to see if taking the course actually increased scores on the driving exam.
Calculate the p-value. (Round your answer to four decimal places.)
p-value=
What is your conclusion?
O We do not reject H. There is no significant difference.
O We do not reject Ho. There is a significant difference.
O We reject Ho. There is no significant difference.
O We reject Ho. There is a significant difference.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc19a2b88-1c0e-4a6a-a3c8-ae203e8204b7%2F7bc1dd17-7a46-4924-a6a5-1634b98d80ac%2F9brceur_processed.png&w=3840&q=75)
Transcribed Image Text:You may need to use the appropriate technology to answer this question.
In order to determine whether or not a driver's education course improves the scores on a driving exam, a sample of 6 drivers were given the exam before and after taking the course. The results are shown below. Assume the population of differences is normally distributed.
Driver
1
2
3
4
5
6
Score Before
the Course
84
91
94
76
86
79
Score After
the Course
87
88
91
77
93
83
Let d = Score After Score Before.
(a) Compute the test statistic. (Round your answer to three decimal places.)
(b) Using a = 0.05 and the p-value approach, test to see if taking the course actually increased scores on the driving exam.
Calculate the p-value. (Round your answer to four decimal places.)
p-value=
What is your conclusion?
O We do not reject H. There is no significant difference.
O We do not reject Ho. There is a significant difference.
O We reject Ho. There is no significant difference.
O We reject Ho. There is a significant difference.
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