Answer
The correct answer is 0, because none of the new statements were repeats of the original 60 statement . Yet not a single student of the n=39 student who participated recognized this. In fact, all of the students thought that at least 30% of the new statements were repeats of the earlier ones.
Work Step by Step
Student were read 60 statements. Then, they were read an additional 20 statements, and they were asked which of the new statements had been included in the original 60. Their responses are summarized in the frequency distribution below.
Frequency Distribution of Student Responses:
6 -1
7 -2
8 -4
9 -7
10 -6
11 -9
12 -3
12 -3
14 -2
15 -0
16 -2
