CUET · MATHS · PYQ PAPER 2025
For the given five values 15, 24, 18, 33, 42, the three-year moving averages are :
- A 19, 22, 23
- B 19, 25, 31
- C 19, 30, 31
- D 19, 25, 33
Answer & Solution
Correct Answer
(B) 19, 25, 31
Step-by-step Solution
Detailed explanation
\(M_1 = \frac{15 + 24 + 18}{3} = \frac{57}{3} = 19\) \(M_2 = \frac{24 + 18 + 33}{3} = \frac{75}{3} = 25\) \(M_3 = \frac{18 + 33 + 42}{3} = \frac{93}{3} = 31\) Moving averages: 19, 25, 31
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