单项选择题

What is the passage mainly concerned with

A．Development and application of statistics.
B．Origin of descriptive statistics.
C．Limitations of inferential statistics.
D．Importance of statistics.
<上一题 目录 下一题>
热门 试题

单项选择题
A sample of a population is often examined for the following purposes except ______.
A．to make a more accurate prediction of trend
B．to improve efficiency and aw)id unnecessary work
C．to save the trouble of approaching every members
D．to predict characteristics of the entire population
单项选择题
The author of the passage points out that ______.
A．keeping cash is the only way to avoid risks
B．the longer you own a stock, the more you lost
C．the high rate of profit and high rate of risk coexist in stocks
D．the best way to accumulate wealth is by investing in stocks
相关试题