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?