Statistics- Data Analysis in Psychology: Online Activity #2

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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