(a) Which of the following is a correct description of the experimental units? the 10-minute video speech by candidates A, B, and C the pool of all potential voters the 12 voters used in this study the rating of a candidate on a scale of 0 to 20 (b) Which of the following is a correct description of the treatments? the 10-minute video speech by candidates A, B, and C the pool of all potential voters the 12 voters used in this study the rating of a candidate on a scale of 0 to 20

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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(c) Which of the following is a correct description of the response variable?
O the 10-minute video speech by candidates A, B, and C
the pool of all potential voters
O the 12 voters used in this study
O the rating of a candidate on a scale of 0 to 20
(d) Which of the following is a true statement regarding this study?
O This is a repeated measures design since each voter rated only one candidate three times.
This is a repeated measures design since each voter rated each of the three candidates.
O The order in which each voter listened to candidates A, B, and C was randomized.
O This study uses independent groups to compare the appeal of the three candidates.
Transcribed Image Text:(c) Which of the following is a correct description of the response variable? O the 10-minute video speech by candidates A, B, and C the pool of all potential voters O the 12 voters used in this study O the rating of a candidate on a scale of 0 to 20 (d) Which of the following is a true statement regarding this study? O This is a repeated measures design since each voter rated only one candidate three times. This is a repeated measures design since each voter rated each of the three candidates. O The order in which each voter listened to candidates A, B, and C was randomized. O This study uses independent groups to compare the appeal of the three candidates.
A political advisor wants to assess the voter appeal of three candidates, A, B, and C. Twelve voters were asked to watch a 10-minute video speech by each candidate, after which the voters rated each candidate on such factors as
appearance, clarity of expression, voice, and overall impression. A final score on a 20-point scale was given to each candidate. Each voter first listened to Candidate A, then Candidate B, then Candidate C. The results are shown below.
Voter
Candidate A
Candidate B
Candidate C
1
18
14
18
2
17
15
17
3
19
16
15
17
17
16
5
18
13
17
6
15
15
14
17
14
15
8
16
12
17
9
16
16
14
10
17
15
18
11
15
16
15
12
19
17
16
(a) Which of the following is a correct description of the experimental units?
the 10-minute video speech by candidates A, B, and C
O the pool of all potential voters
O the 12 voters used in this study
O the rating of a candidate on a scale of 0 to 20
(b) Which of the following is a correct description of the treatments?
O the 10-minute video speech by candidates A, B, and C
O the pool of all potential voters
O the 12 voters used in this study
O the rating of a candidate on a scale of 0 to 20
Transcribed Image Text:A political advisor wants to assess the voter appeal of three candidates, A, B, and C. Twelve voters were asked to watch a 10-minute video speech by each candidate, after which the voters rated each candidate on such factors as appearance, clarity of expression, voice, and overall impression. A final score on a 20-point scale was given to each candidate. Each voter first listened to Candidate A, then Candidate B, then Candidate C. The results are shown below. Voter Candidate A Candidate B Candidate C 1 18 14 18 2 17 15 17 3 19 16 15 17 17 16 5 18 13 17 6 15 15 14 17 14 15 8 16 12 17 9 16 16 14 10 17 15 18 11 15 16 15 12 19 17 16 (a) Which of the following is a correct description of the experimental units? the 10-minute video speech by candidates A, B, and C O the pool of all potential voters O the 12 voters used in this study O the rating of a candidate on a scale of 0 to 20 (b) Which of the following is a correct description of the treatments? O the 10-minute video speech by candidates A, B, and C O the pool of all potential voters O the 12 voters used in this study O the rating of a candidate on a scale of 0 to 20
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