A focus group of 10 adults was chosen to evaluate the performance of a candidate during a presidential debate. They were instructed to rate the candidate on two characteristics, knowledge and delivery, using a scale of 1 (poor) to 10 (superior)
The ratings given the
candidate were as follows:
Knowledge
Rater Rating Delivery
A 7 5
B 8 6
C 9 5
D 3 5
E 5 6
F 8 7
G 9 6
H 4 5
I 8 6
J 7 5
a. Find the mode, the median, and the mean for the knowledge ratings.
b. Find the mode, the median, and the mean for the delivery ratings.
c. On which characteristic was the candidate rated more favorably?
What would be an ideal response?
a. Mode = 8
Median = 7.5
Mean = 6.8 (see below)
68
10
6.8
X
X
N
= = =
?
b. Mode = 5
Median = 5.5
Mean = 5.6 (see below)
56
10
5.6
X
X
N
= = =
?
c. Knowledge
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