In the histogram bars are drawn with class-intervals along the x-axis and their heights along the y-axis, proportional to the __________.
A
frequencies of respective classes
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B
class mark of respective classes
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C
class size of respective classes
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D
class limit of respective classes
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Solution
The correct option is A frequencies of respective classes We know that the histogram is a graphical representation of grouped frequency distribution. Here the bars (rectangles) are drawn with class-intervals along the x-axis and their heights along the y-axis, proportional to the frequencies of the respective classes.