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Statistics — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsStatistics1 Mark
MCQ
For drawing a frequency polygon of a continuous frequency distribution, we plot the points whose ordinates are the frequency of respective classes and abscissa are respectively.
  • ✓
    Class marks of the classes.
  • B
    Upper limits of preceding classes.
  • C
    Lower limits of the classes.
  • D
    Upper limits of the classes.
✓

Answer

Correct option: A.
Class marks of the classes.

Frequency polygon is the line graph plotted with class marks on $x$-axis & frequency of the class on $y$-axis.

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