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0 votes
8.4k views
in Statistics by (35.3k points)

The class mark of the class 15.5 – 25.5 is equal to:

(a) 41

(b) 20

(c) 20.5

(d) 5

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1 Answer

+1 vote
by (31.2k points)

Answer is (c) 20.5

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