Statistics- Data Analysis in Psychology: Online Activity #2
QUESTION
Data
Analysis in Psychology:
Online
Activity #2
IMPORTANT!
Clearly indicate the values of important terms, including but not limited to
the standard error of the mean, test statistic, and critical test score. For
both questions, a two-tailed test is used with the alpha level set at 0.05.
1. A
group of individuals listened to two albums (one from The Rolling Stones, the
other from The Beatles), and rated their enjoyment of each on a scale of 1
(hated it) to 10 (loved it). Is there a statistically significant difference in
enjoyment scores between the artists?
Table 1 Level
of enjoyment upon listening to an album from either The Rolling Stones or The
Beatles
Subjects
The Rolling Stones
The Beatles
Matt
8
4
Melanie
2
10
Mark
5
7
Murphy
2
6
Mitch
3
10
Marilyn
1
4
Missy
7
5
Margaret
3
8
Mick
3
6
Shamus
4
6
2. Two
tutorials completed an online quiz in which possible grades ranged from 0 to
20. Did one tutorial do significantly better or worse on the quiz than the
other tutorial?
Table 2 Scores
on a recent online quiz between Tutorials 1 and 2
Tutorial 1
Tutorial 2
15
4
8
14
5
9
13
10
16
3
4
3
17
7
11
5
8
7
9
7
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