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 avoid unnecessary work
C.to save the trouble of approaching every members
D.to predict characteristics of the entire population
试卷相关题目
- 1The word "unwieldy" in the second paragraph is closest in meaning to ____.
A.difficult to collect
B.difficult to tackle
C.incomprehensive
D.uncontrollable
开始考试点击查看答案 - 2Which 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.
开始考试点击查看答案 - 3Describing and tabulating are associated with ____.
A.inferential statistics
B.descriptive statistics
C.theories of probability
D.inefficiency of counting
开始考试点击查看答案 - 4What 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.
开始考试点击查看答案 - 5The 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
开始考试点击查看答案 - 6According to the author, which of the following is not true to the Japanese、
A.Robots mean there is no need to import cheap foreign labor.
B.Robots mean that humans needn't do dirty and noisy work.
C.Robots mean there are no strikes nor overtimes.
D.Robots mean there is no mistake in any form.
开始考试点击查看答案 - 7What can be inferred form the words "He inaugurates the robot with words along the lines of 'Welcome to our coworker, we hope you'll help him settle in.'No one laughs."、
A.The Japanese has no sense of humor while at work.
B.The Japanese does not understand the words of the Shinto priest.
C.The Japanese shows a true respect for robots.
D.The Japanese goes too far in their respect for robots.
开始考试点击查看答案 - 8Which of the following is not true about FANUC、
A.Workers receive higher pay for working overtime.
B.Workers enjoy free travel to and from work.
C.Workers are doing boring, sometimes demanding work.
D.Workers are reminded of being on a war footing.
开始考试点击查看答案 - 9What is not implied in the following works "we couldn't help thinking that his dream of world domination in robotics and allied applications might be more elegantly achieved if he had also thought to program his robots to whistle while they work."、
A.Our technology is not yet up to the needs of Dr. Inaba's dream.
B.Dr. Inaba's dream of world domination in robotics lacks humanity.
C.Dr. Inaba's dream of allied applications is too practical.
D.The author is in favor of Dr. Inaba's dream.
开始考试点击查看答案 - 10What does "our coworker" refer to in the sentence "Welcome to our coworker, we hope you'll help him settle in、"
A.Japanese workers who attend the inauguration.
B.The introduced robot.
C.The people who have invented the robot.
D.Japanese workers in general.
开始考试点击查看答案
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