For items 51 - 53, refer to the table below.
51. What is the total frequency?
A. 3
B. 11 C. 19 D. 38
52 What is the class mark of the class with
the highest frequency?
A 8
B. 25 C. 27 D. 32
53. What is the interval?
A. 2
B. 3 C. 4 D. 3
Classes
28 - 32
23 - 27
18-22
Frequency
5
11
10
13 - 17
8-12
9
3
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