Find standard deviation from the following data.
52,50,56,68,65,62,57,70?
ans plz.
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Answer:
to find the data
52 -50 =2
which means the deviation is 2
Explanation:
d=2
a=52
n=8
formula: an=a+(n-1)d
an=52+(8-1)2
an=52+7×2
an=52+14
an=66
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