defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Statistics Measures of Central Tendency

N संख्याओं का माध्य X̅ है, प्रत्येक संख्या में k से गुणा करने पर नया माध्य है: 

1
k X̅
2
\(\rm \frac{\bar X}{k}\)
3
X̅ + k
4
X̅ - k
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