Solve the following. Show your complete solution The incoming freshman students of a particular college are required to take a mathematics placement examination. As an experiment, 8 randomly selected students were given the exam and then made to join a 4-hour refresher class. These students were given a re-test after the refresher class. Assuming the distribution of scores was approximately normal, construct a 90% confidence interval for the mean difference of the exam scores.
Solve the following. Show your complete solution The incoming freshman students of a particular college are required to take a mathematics placement examination. As an experiment, 8 randomly selected students were given the exam and then made to join a 4-hour refresher class. These students were given a re-test after the refresher class. Assuming the distribution of scores was approximately normal, construct a 90% confidence interval for the mean difference of the exam scores.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Solve the following. Show your complete solution
The incoming freshman students of a particular college are required to take a mathematics placement examination. As an experiment, 8 randomly selected students were given the exam and
then made to join a 4-hour refresher class. These students were given a re-test after the refresher class. Assuming the distribution of scores was approximately normal, construct a 90% confidence interval for the mean difference of the exam scores.
Transcribed Image Text:6. The incoming freshman students of a particular college are required to take a mathematics
placement examination. As an experiment, 8 randomly selected students were given the
exam and then made to join a 4-hour refresher class. These students were given a re-test
after the refresher class. Assuming the distribution of scores was approximately normal,
construct a 90% confidence interval for the mean difference of the exam scores.
Student
Score
(Before)
Score (After) 20
1
20
2
18
17
3
15
20
4
14
18
5
18
19
6
20
20
7
JA
17
15
8
12
16
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