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 83 89 94 76 84 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? Ⓒ We do not reject Ho. There is no significant difference. Ⓒ We do not reject Ho. There is a significant difference. Ⓒ We reject Ho. There is no significant difference. Ⓒ 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
icon
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
83
89
94
76
84
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?
Ⓒ We do not reject Ho. There is no significant difference.
O We do not reject Ho. There is a significant difference.
Ⓒ We reject H₂. There is no significant difference.
Ⓒ We reject Ho. There is a significant difference.
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 83 89 94 76 84 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? Ⓒ We do not reject Ho. There is no significant difference. O We do not reject Ho. There is a significant difference. Ⓒ We reject H₂. There is no significant difference. Ⓒ We reject Ho. There is a significant difference.
Expert Solution
steps

Step by step

Solved in 4 steps with 3 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman