A researcher is curious about whether there is a relationship between how much a person enjoys the music of Nickelback (on a 0-12 scale, 0 indicating no enjoyment and 20 indicating maximum enjoyment) and how much a person enjoys films starring Nicolas Cage (on the same 0-20 scale). The following information was gathered from 10 participants: Nickelback Nicolas Cage 4 7 12 7 6 6 19 15 0 12 5 9 2 1 13 10 16 20 1 8 Make a scatter diagram: Based on the scatter diagram you made, what type of correlation do you assume? Question 9Select one: a. No Correlation b. Positive Correlation c. Negative Correlation Calculate the Correlation Coefficient df = Question 10Select one: a. 10 b. 9 c. 8 d. 7 cutoff score = ? Question 11Select one: a. +/-2.101 b. +/-2.306 c. -.632 d. +2.306 e. +/- .632
A researcher is curious about whether there is a relationship between how much a person enjoys the music of Nickelback (on a 0-12 scale, 0 indicating no enjoyment and 20 indicating maximum enjoyment) and how much a person enjoys films starring Nicolas Cage (on the same 0-20 scale). The following information was gathered from 10 participants:
|
Nickelback |
Nicolas Cage |
|---|---|
|
4 |
7 |
|
12 |
7 |
|
6 |
6 |
|
19 |
15 |
|
0 |
12 |
|
5 |
9 |
|
2 |
1 |
|
13 |
10 |
|
16 |
20 |
|
1 |
8 |
Make a
Based on the scatter diagram you made, what type of
Question 9Select one:
No Correlation
Calculate the
df =
Question 10Select one:
10
9
8
7
cutoff score = ?
Question 11Select one:
+/-2.101
+/-2.306
-.632
+2.306
+/- .632
r = ?
Question 12Select one:
-.38
.92
.38
-.62
.62
Decision:
Question 13Select one:
Fail to reject
Unable to determine
Reject the null
The correlation is ________ (strength) and _________ (direction).
Question 14Select one:
strong, negative
strong, positive
weak, positive
weak, negative
no correlation
A gym manager is interested in whether the ‘beginner’ and ‘expert’ climbing walls (that were of the same height) at her facility are actually different from each other. To test this, she decides to look at the time it takes people to reach the top of both walls. She recruits 25 students and has them each climb both walls and looks for differences between the ‘beginner’ wall climbing times and the ‘expert’ wall climbing times.
Question 1Select one:
single sample t-test
one-way ANOVA
paired samples t-test
z-test
factorial ANOVA
t-test independent means
A child psychologist is interested in whether a new reading program results in a larger improvement in reading scores than the most popular reading program. The popular reading program generally produces an average increase of 10 points, with a standard deviation of 3 points.
Question 2Select one:
a.
single sample t-test
b.
one-way ANOVA
c.
paired samples t-test
d.
z-test
e.
t-test independent means
Nicole Sturgous is curious about whether Pawnee National Park gets more visitors per year than the other parks’ average number of yearly visitors in general (around 740,000 people).
Question 3Select one:
a.
paired samples t-test
b.
t-test independent means
c.
z-test
d.
single sample t test
e.
factorial ANOVA
After all her students did poorly on their first Science exam, a teacher doubled the amount of homework she assigned to see if there would be a difference in scores on the second exam.
Question 4Select one:
a.
ANOVA
b.
paired samples t-test
c.
z-test
d.
t-test independent means
e.
one sample t-test
Looking at whether how much Disney+ a person watches (3 hours, 2 hours, or 1 hour a day) and what beverage they prefer (coffee, tea, soda) affects how they rate their overall happiness.
Question 5Select one:
a.
paired samples t-test
b.
one-way ANOVA
c.
factorial ANOVA
d.
single sample t test
e.
t-test for independent means
Seeing if commute times (less than 10 minutes, 10-25 minutes, or more than 25 minutes) has an effect on how much a person enjoys his/her job.
Question 6Select one:
a.
factorial ANOVA
b.
t-test for independent means
c.
z-test
d.
paired samples t-test
e.
one-way ANOVA
A researcher is interested in whether self-proclaimed “cat people” are more introverted than self-proclaimed “dog people.”
Question 7Select one:
a.
factorial ANOVA
b.
one sample t test
c.
paired samples t-test
d.
one-way ANOVA
e.
t-test independent means
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