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High School Mathematics14.17 Frequency Polygon - 2

 Now let us consider a polygon where there is no class preceeding the first class. Let us take an example which gives us the marks scored by 50 students of a class, in an exam out of 100. The following table gives us the information about the data. Here the first class interval is 0 - 10. So the class preceeding it would lie on the negative X axis. The midpoint of the first class interval i.e. B is joined to this point with 0 frequency on the negative axis. Directions: On the basis of the given information answer the following questions
 Q 1: The class interval with frequency 4 is40 - 5030 - 4050 - 6020 - 30 Q 2: The points which represent the class marks of the class interval with the lowest frequency isA and BK and LH and IG and H Q 3: The difference between the highest and the lowest frequency is821025 Q 4: Pt. A is the class mark of the class interval 0 - 10TrueFalse Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!