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Statistics — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsStatistics1 Mark
MCQ
What is the mid - points of class interval $12.3 - 22.3$?
  • A
    $15.3$
  • B
    $16.3$
  • ✓
    $17.3$
  • D
    $18.3$
✓

Answer

Correct option: C.
$17.3$
Average of upper limit &lower limit of a class interval is called its mid point.
For the class interval $12.3 - 22.3$
$\text{Mid - point }=\frac{12.3+22.3}{2}$
$\text{Midpoint is }:17.3$

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