Question

15. For drawing a frequency polygon of a continous frequency distribution, we plot the points whose ordinates are the frequencies of the respective classes and abcissae are respectively: *
1 point
upper limits of the classes
lower limits of the classes
class marks of the classes
upper limits of preceding classes​

Answer 1

Answer:

For drawing a frequency polygon of a continuous frequency distribution, we plot the points whose ordinates are the frequencies of the respecitve classes and abscissae are, respectively. Solution : Class marks, i.e, the mid-point of the classes are abscissa of the points, which we plot for frequency polygon.so the answer is option d

Answer 2

Answer:

upper limits of preceding classes

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