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Middle/High School Algebra, Geometry, and Statistics (AGS)
9.16 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: The area covered by the frequency polygon and the histogram is the same.
No
Yes

Q 2: In order to complete the frequency polygon the classes at both the ends have to be extended
no
yes

Q 3: The class interval with maximum frequency is
35.5 - 40.5
40.5 - 45.5
30.5 - 35.5
45.5 - 30.5

Q 4: The class interval with minimum frequency is
60.5 - 65.5
55.5 - 60.5
50.5 - 55.5
25.5 - 30.5

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!


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