Do students perform worse when they take an exam alone than when they take an exam in a classroom setting? Eight students were given two tests of equa difficulty. They took one test in a solitary room and they took the other in a room filled with other

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Only b and c

Do students perform worse when they take an exam
alone than when they take an exam in a classroom
setting? Eight students were given two tests of equal
difficulty. They took one test in a solitary room and
they took the other in a room filled with other
students. The results are shown below.
Exam Scores
Alone
85 86 72 | 85 79| 65 | 69 | 77
Classroom 86 92 75 80 80 70 70 82
Assume a Normal distribution. What can be
concluded at the the a = 0.05 level of significance
level of significance?
For this study, we should use
t-test for the difference between two dependent population means
a. The null and alternative hypotheses would be:
Но:
ud
(please enter a decimal)
Н:
ud
v (Please enter a decimal)
b. The test statistic t
(please show your answer to 3 decimal
places.)
c. The p-value =
(Please show your
answer to 4 decimal places.)
Transcribed Image Text:Do students perform worse when they take an exam alone than when they take an exam in a classroom setting? Eight students were given two tests of equal difficulty. They took one test in a solitary room and they took the other in a room filled with other students. The results are shown below. Exam Scores Alone 85 86 72 | 85 79| 65 | 69 | 77 Classroom 86 92 75 80 80 70 70 82 Assume a Normal distribution. What can be concluded at the the a = 0.05 level of significance level of significance? For this study, we should use t-test for the difference between two dependent population means a. The null and alternative hypotheses would be: Но: ud (please enter a decimal) Н: ud v (Please enter a decimal) b. The test statistic t (please show your answer to 3 decimal places.) c. The p-value = (Please show your answer to 4 decimal places.)
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