Question: Given the following statistics quiz grades for a class of twenty-seven students:
|
Score (x)
|
Frequency (f)
|
|
1
|
2
|
|
3
|
1
|
|
5
|
5
|
|
6
|
7
|
|
7
|
4
|
|
9
|
3
|
|
12
|
3
|
|
14
|
4
|
|
15
|
6
|
|
19
|
2
|
(1) Calculate the mode?
[A] 6.0
[B] 15.0
[C] 19.0
[D] 7.0
(2) The distribution of scores appears to be:
[A] Positively skewed
[B] Negatively skewed
[C] normal
[D] bimodal