1.

The mean of the data \(1,\frac{1}{2},\frac{1}{2},\frac{3}{4},\frac{1}{4},2,\frac{1}{2},\frac{1}{4},\frac{3}{4}\) is.A. \(\frac{{15}}{{18}}\)B. \(\frac{{13}}{{18}}\)C. \(\frac{{7}}{{9}}\)D. \(\frac{{8}}{{9}}\)

A. D
B. B
C. A
D. C
Answer» C. A


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