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Middle/High School Algebra, Geometry, and Statistics (AGS)9.17 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 cumulative frequency upto the class interval 30 - 40 is45352555 Q 2: The difference between the highest and the lowest frequency is810252 Q 3: The class interval with the highest frequency is0 - 1030 - 4010 - 2020 - 30 Q 4: The class interval with frequency 4 is40 - 5050 - 6020 - 3030 - 40 Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!