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1.Students were given a stats quiz just prior to a holiday and the scores recorded and stored in list L1. Then, they were given a matched quiz just after the holiday to see if there was a significantly lower average. These quiz scores were recorded and stored in list L2.
What is the correct alternate hypotheses for the test?
2.A tutor would like to determine if a new tutoring software raises quiz scores. She randomly selects 8 students and they are given a quiz. Then they are quizzed again after the tutorial with the software. The data is shown below
Before
17
15
22
16
18
19
21
AFTER
20
24
25
23
Identify the correct alternate hypothesis:
Did the mean quiz score significantly improve? Find the p-value correct to 4 decimal places.
3. A tutor would like to determine if a new tutoring software raises quiz scores. She randomly selects 8 students and they are given a quiz. Then they are quizzed again after the tutorial with the software. The data is shown below
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