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【单选题】
When a moving average is plotted onto a graph, where should the plotted points be located?A.
At the end of period to which they apply
B.
At the beginning of period to which they apply
C.
At the mid-point of period to which they apply
D.
Anywhere
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A.
are; stayed
B.
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C.
have; stayed
D.
did; stay
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