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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