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Model Paper 4 — Applied Maths STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceApplied MathsModel Paper 41 Mark
MCQ
For the given five values $15,24,18,33,42$, the three years moving averages are
  • A
    $19,25,33$
  • ✓
    $19,25,31$
  • C
    $19,30,31$
  • D
    $19,22,33$
✓

Answer

Correct option: B.
$19,25,31$
(B) 19, 25, 31
Explanation: 3-years moving average are
$\frac{15+24+18}{3}, \frac{24+18+33}{3}, \frac{18+33+42}{3}$
i.e. $\frac{57}{3}, \frac{75}{3}, \frac{93}{3}$ i.e. $19,25,31$

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