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### High School Mathematics14.16 Frequency Polygon

 Frequency Polygons A frequency polygon is obtained by joining the middle points of the upper sides of the adjacent rectangles of the histogram by means of line segments. To complete the polygon we assume a class interval with zero frequency preceding the first class interval and a class interval with zero frequency succeeding the last class interval. Directions: On the basis of the given information answer the following questions
 Q 1: In order to complete the frequency polygon the classes at both the ends have to be extended noyes Q 2: The class mark of the interval 30.5 - 35.5 isCABH Q 3: The class mark of the interval 40.5 - 45.5 isBACD Q 4: The class interval with maximum frequency is 30.5 - 35.545.5 - 30.535.5 - 40.540.5 - 45.5 Question 5: This question is available to subscribers only! Question 6: This question is available to subscribers only!