The mean of x –2a, x – a, x , x + a, x + 2a is)
(a) x
(b) 5x
(c) a
(d) not possible to find
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2
Answer:
mean = sum of observations/ number of observations
(x - 2a + x - a + x + a + x + 2a)/4
= 4x/4 = x
Answered by
5
Answer:
(a) x is the right ans
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