a. The null and alternative hypotheses would be: p: Select an answer v Select an answer v Select an answer cimal) (please enter a Select an answer 1: Select an answer cimal) Select an answer | (Please enter a b. The test statistic ? (please show your answer to 3 decima places.) c. The p-value = (Please show your answer to 4 decimal places.)
a. The null and alternative hypotheses would be: p: Select an answer v Select an answer v Select an answer cimal) (please enter a Select an answer 1: Select an answer cimal) Select an answer | (Please enter a b. The test statistic ? (please show your answer to 3 decima places.) c. The p-value = (Please show your answer to 4 decimal places.)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question

Transcribed Image Text:Do students perform better 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
92 88 79 70 86 74 78 74
Classroom 89 82 76 60 86 67 75 75
Alone
Copy to Clipboard
Assume a Normal distribution. What can be concluded at the a = 0.05 level of
significance?
For this study, we should use
Select an answer
a. The null and alternative hypotheses would be:
Ho: Select an answer
Select an answer
Select an answer v (please enter a
decimal)
H: Select an answer
Select an answer
Select an answer
(Please enter a
decimal)
b. The test statistic ?
|(please show your answer to 3 decimal
places.)
c. The p-value =
(Please show your answer to 4 decimal places.)
Expert Solution

Step 1
Since , the 8 students were given.
Here , we want to test that "Is student perform better when they take an exam alone than when they take an exam in a classroom"
For this study , we should use the paired t-test because the samples are dependent.
Step by step
Solved in 3 steps with 2 images
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