Let a, b, c, d and e be the observations with mean m and standard deviation s. The…
Mathematics · JEE Main · NTA Exams — Statistics and Probability
Let a, b, c, d and e be the observations with mean m and standard deviation s. The standard deviation of the observations a + k, b + k, c + k, d + k and e + k is
- s
- |k|s
- s + k
- s/|k|
Answer
(A) s
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