कैलकुलेट वैरियेंस ऑफ 6,80,10,12,14
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6 10 12 14 80
80 is the outlier away from the data set trend
The mean and Sd Wii be affectedMean = (6+10+12+14+80)/5 =24.5(assuming 24)
D^2= 18^2 +14^2 +12^2 +10^2 +56^2=324 +196+144+100+3136 =3900Sd= (3900/4)^1/2 =(975)^1/2 =31.2Variance =(31.2)^2=973.4
If remove outlier
Then the mean is =42/4=10.5(11)D^2=25+1+1+9=36Variance =36/3=12
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