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Mean, Median, Mode of Grouped Data — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsMean, Median, Mode of Grouped Data1 Mark
MCQ
In the formula, $\bar{\text{x}}=\Big\{\text{A}+\frac{\sum\text{f}_\text{i}\text{d}_\text{i}}{\sum\text{f}_\text{i}}\Big\}$ for finding the mean of the grouped data, the $d_i\ 's$ are the deviations from $A$ of:
  • A
    Lower limits of the classes
  • B
    Upper limits of the classes
  • ✓
    Midpoints of the classes
  • D
    None of these
✓

Answer

Correct option: C.
Midpoints of the classes
$d_1$ 's are the deviations from $A$ of midpoints of the classes

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