If the mean of 9,!3,17,14,x,16 and 20 is 25 find the value of x
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Step-by-step explanation:
EX=9+3+17+14+X+16+20=79+X
N=7
NOW
MEAN=EX/N
25=79+X/7
25×7=79+X
175-79=X
THEREFORE X=96
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