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 |
||
|
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 |
|
|
Tutorial 1 |
Tutorial 2 |
|
15 |
4 |
|
8 |
14 |
|
5 |
9 |
|
13 |
10 |
|
16 |
3 |
|
4 |
3 |
|
17 |
7 |
|
11 |
5 |
|
8 |
7 |
|
9 |
7 |
