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Frequency Polygon

A frequency p...

Question

A frequency polygon is constructed by plotting the coordinates of ___ and their respective frequency.

A

class interval of a class

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B

mid-point of a class

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C

upper limit of a class

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D

lower limit of a class

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Solution

The correct option is B
mid-point of a class

The frequency polygon is a curve obtained by joining of the coordinates of data which contains the mid-point of a class and their respective frequencies.

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Similar questions

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

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. Question 22
For drawing a frequency polygon of a continuous frequency distribution, we plot the points whose ordinates are the frequencies of the respective classes and abcissae 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. 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

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