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Frequency Polygon

A frequency p...

Question

A frequency polygon is constructed by plotting frequency of the class interval and the

(a) Upper limit of the class

(b) Lower limit of the class

(c) mid value of the class

(d) any values of the class

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Solution

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A frequency polygon is constructed by plotting frequency of the class interval and mid value of the class.

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Similar questions

Q. In the 'less than' type of ogive the cumulative frequency is plotted against

(a) the lower limit of the concerned class interval

(b) the upper limit of the concerned class interval

(c) the mid-value of the concerned class interval

(d) any value of the concerned class interval

Q. For drawing a frequency polygon of a continuous frequency distribution, we plot the points whose ordinates are the frequencies of the respective classes and abscissae are respectively
(a) upper limits of the classes
(b) lower limits of the classes
(c) class marks of the classes
(d) upper limits of preceding classes

Q. If l is the lower class limit of a class in a frequency distribution and m is the mid-point of the class, then the upper class limit of the class interval is ________.

Q. Assertion: We find mid points of a class interval as upper as

\frac{u p p e r c l a s s l i m i t + l o w e r c l a s s l i m i t}{2}

Reason: To draw frequency polygons independently without drawing histogram it is required to have class mark.
Which of the following is correct

Q. In a frequency distribution the mid value of a class is

15

and the class interval is

4

. The lower limit of the class is

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Frequency Polygon

Standard IX Mathematics