mean of eight observations 8is 25.if one observation 11is excluded find mean of remaining
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let the eight observations be a ,b,c,d,e,f,g,h
Mean=sum of all observations /no.of observations.
25=(a+b+c+d+e+f+g+h)/8
a+b+c+d+e+f+g+h=25×8=200
one observation 11 is excluded. so the sum of remaining observations =200-11=189
mean =189/7
=27.
:-)hope it helps u.
Mean=sum of all observations /no.of observations.
25=(a+b+c+d+e+f+g+h)/8
a+b+c+d+e+f+g+h=25×8=200
one observation 11 is excluded. so the sum of remaining observations =200-11=189
mean =189/7
=27.
:-)hope it helps u.
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