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What is the average of all intergers from -60 to 60, inclusive?
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- Ahmed AbaLv 64 years ago
a=-60,d=1,nthterm(l)=60
number of terms=60+60+1(((for the zero)))=121
sum =n/2(a+l)=(n/2)(-60+60)=0,
so the mean=0
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- 4 years ago
(-60 + -59 + -58 + ... + 58 + 59 + 60) / 121 = 0/121 = 0
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