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Marks 1 2 3 4 5
Frequency 2 2 8 4 4


The table above show the marks obtained in a given test.
How many student took the test?

A.

16

B.

13

C.

20

D.

15

View answer & explanation

Correct answer is C

∑f = 2 + 2 + 8 + 4 + 4
= 20

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