If \(\sum^n_{i=1}(x_i-2)=110,\sum^n_{i=1}(x_i-5)=20 \), then what is the mean?

1
\(\frac{11}{2}\)
2
\(\frac{2}{11}\)
3
\(\frac{17}{3}\)
4
\(\frac{17}{9}\)
5
Not Attempted

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