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Statistics — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsStatistics1 Mark
MCQ
While computing mean of grouped data, we assume that the frequencies are
  • A
    evenly distributed over all the classes
  • ✓
    centred at the class marks of the classes
  • C
    centred at the upper limit of the classes
  • D
    centred at the lower limit of the classes.
✓

Answer

Correct option: B.
centred at the class marks of the classes
b

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