Question
Question 1 options: An adviser is testing out a new online learning module for a placement test. They wish to test the claim that on
Question 1 options:
An adviser is testing out a new online learning module for a placement test. They wish to test the claim that on average the new online learning module increased placement scores at a significance level of = 0.05. For the context of this problem, D=new-old where the first data set represents the new test scores and the second data set represents old test scores. Assume the population is normally distributed.
H0: D = 0
H1: D < 0
You obtain the following paired sample of 19 students that took the placement test before and after the learning module:
New LM | Old LM |
---|---|
57.1 | 55.8 |
58.3 | 51.7 |
83.6 | 76.6 |
50.5 | 47.5 |
51.5 | 48.6 |
20.6 | 15.5 |
35.2 | 29.9 |
46.7 | 54 |
23.5 | 21 |
48.8 | 58.5 |
53.1 | 42.6 |
76.6 | 61.2 |
29.6 | 26.3 |
14.5 | 11.4 |
43.7 | 56.3 |
57 | 46.1 |
66.1 | 72.9 |
38.1 | 43.2 |
44.4 | 51.1 |
Find the p-value. Round answer to 4 decimal places.
p-value =
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