If for an individual series, assumed mean, {A}= 25 \sum {dx}=-21 for {dx}= {X}- {A} and {N}=7, then the mean of the series is :

Measures of Central Tendency and Dispersion

Question : 95 of 211

Marks: +1, -0

If for an individual series, assumed mean,

{A}=

25 ∑ {dx}=-21

for

{dx}= {X}- {A}

and

{N}=7,

then the mean of the series is :

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