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No. of tress plants by each student  1-3 4-6 7-9 10-12
No. of Students 7 8 6 4

The above is to be shown by a frequency polygon. The coordinated of the points to show number of student in the class 4 - 6 are.

(A) (4, 8) 

(B) (3,5) 

(C) (5,8) 

(D) (8,4)

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 (C) (5,8)

Class mark = 5 

Frequency = 8 

∴ Co-ordinates of the point = (5, 8)

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