Which of the following is NOT given as an example of qualitative variable、

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• 1Why does the author mention the “mother” and “father” in the first paragraph、

  A.To point out that parents can teach their children statistics.

  B.To introduce inferential statistics.

  C.To explain that there are different kinds of variables.

  D.To present the background of statistics in a humorous and understandable way.

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• 2With what is the passage mainly concerned、

  A.The drawbacks of descriptive and inferential statistics.

  B.Applications of inferential statistics.

  C.The development and use of statistics.

  D.How to use descriptive statistics.

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• 3It can be inferred from the passage that the mass production of steel caused ____.

  A.a decline in the railroad industry

  B.a revolution in the industrial world

  C.an increase in the price of steel

  D.a feeling of discontent among steel workers

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• 4The words “Barges and steamers” could best be replaced by which of the following、

  A.Trains.

  B.Planes.

  C.Boats.

  D.Trucks.

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• 5According to the passage, where were large deposits of iron uncovered、

  A.In Pittsburgh.

  B.In the Mesabi Range.

  C.Near Lake Michigan.

  D.Near Lake Eri

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• 6Which of the following statements about descriptive statistics is best supported by the passage、

  A.It simplifies unwieldy masses of data.

  B.It leads to increased variability.

  C.It solves all numerical problems.

  D.It changes qualitative variables to quantitative variables.

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• 7According to the passage which is the purpose of examining a sample of a population、

  A.To compare different groups.

  B.To predict characteristics of the entire population.

  C.To consider all the quantitative variables.

  D.To tabulate collections of data.

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• 8He is among those lucky students who have won ____ to firstrate university.

  A.permission

  B.admittance

  C.profession

  D.admission

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• 9Mathematics as well as other subjects ____ a science.

  A.was

  B.is

  C.are

  D.belong to

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• 10We should ____ our human and material resources if we are to succeedin the joint venture.

  A.pour

  B.plunge

  C.pool

  D.pick

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