单项选择题

What do statistics do for science（）

A．They get rid of intuition,
B．They make it more logical.
C．They reduce everything to numbers.
D．They give an idea of the amount of error involved.

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热门试题

单项选择题

According to the writer, the exactness of a science is partly related to（）

A．the skill of the scientist
B．the extent to which variables can be controlled
C．the requirements of the observer
D．the development of more accurate instruments

单项选择题

Wben the error is small, the statistical principles used in dealing with it are （） when the error is big.

A．simpler than
B．more difficult than
C．not yet understood
D．the same as