赞题库-背景图

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.

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热门试题

单项选择题The word unwieldy in the second paragraph is closest in meaning to ________.

A．difficult to collect
B．difficult to tackle
C．incomprehensive
D．uncontrollable

单项选择题Which of the following statements is true about descriptive statistics

A．It combines quantitative variables and qualitative variables.
B．It can be used to deal with only quantitative variables.
C．It helps to summarize properties of a group of data.
D．It helps to make predictions using a sample of observations.