9.20 Translate each problem into a 2 × 2 table. In each of the following scenari
ID: 3309567 • Letter: 9
Question
9.20 Translate each problem into a 2 × 2 table. In each of the following scenarios, translate the problem into one that can be analyzed using a 2 × 2 table. (a) Two website designs are being compared. Fifty stu- dents have agreed to be subjects for the study, and they are randomly assigned to watch one of the designs for as long as they like. For each student the study directors record whether or not the website is watched for more than a minute. For the first design, 12 students watched for more than a minute; for the second, 5 watched for more than a minute.Explanation / Answer
Result:
a).
Design1
Design2
Total
> 1 minute
12
5
17
1 minute
13
20
33
Total
25
25
50
b).
First year
Fourth year
Total
Yes
85
117
202
No
276
104
380
Total
361
221
582
Design1
Design2
Total
> 1 minute
12
5
17
1 minute
13
20
33
Total
25
25
50
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.