# Cumulative Frequency Polygon

Answer the following questions using the applet.
(a) If the passing mark is 50, how many students fail in the test?
(b) If 50% of students pass the test what is the passing mark?
What is the passing mark if 70% of students pass the test?
(c) A prize will be given to the students who get 75 marks or above. How many students get the prize?
(d) If 8 prizes are to be given, what is the mark above or equal to which a prize would be given?
(e) How many students have marks between 55 and 75?

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