Question
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
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-oldwhere 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 =
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started