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The ratio of the number of production workers at Site I to the number of production workers at Site II is mostly equal to
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At Site II, if the average (arithmetic mean) salaries in production, administration, and research are $$x$$, $$y$$, and $$z$$ dollars, respectively, what is the average salary, in dollars, of all employees at Site II?
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The number of passengers arriving on Sunday is approximately what fraction of the number of passengers arriving on Friday?
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Which of the following is closest to the average (arithmetic mean) number of passengers departing per day from Airport X last week?
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On how many of the days shown was the number of passengers departing at least 50 percent greater than the number of passengers arriving that day?
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Which of the following is closest to the ratio of morning time to the evening time in 1998?
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What`s median of the commuting time in the evening of the six years?
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What`s range of the commuting time in the evening of the six years?
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The total number of vehicles sold in Region X by companies other than A, B, C and D in 2009 was approximately how much less than that in 2006?
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For which of the last five years shown was the difference between the annual number of vehicles sold by Company C and the annual number of vehicles sold by Company D least?
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The increase in the number of vehicles sold in Region X from 2002 to 2003 was the same was that from 2003 to 2004. The decrease in the number of vehicles sold in Region X from 2009 to 2010 was the same as that from 2008 to 2009. For the years from 2002 to 2010, the median number of vehicles sold annually was approximately how much greater than the average (arithmetic mean) number of vehicles sold annually?
Give your answer to the nearest 100 vehicles.
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According to the scatter plot, what is the probability that the average age of the college institution`s professors and associate professors are both lower than 50?
Give your answer to the nearest 0.1 of a percent.
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In how many college institutions are the average age of professors more than 15 years older than that of associate professors?
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图中7个点里面,每两个相比,横坐标大的那个,纵坐标也大的概率是多少?
Give your answer as a fraction.
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If a pair of different cities is chosen at random from the seven cities, which of the following is closest to the probability that in the pair chosen, the city with the higher maximum temperature is also the city with the lower minimal temperature?
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Note: The highest and lowest temperature measurements on a particular day are called the daily high and low temperatures of that day.
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