题目内容
（请给出正确答案）
A．trading and exploration
B．the Norman invasion
C．colonization and world wars
D．penetration of culture
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“According to the passage, all of the following contributed to the spread of English around”相关的问题
More natural resources should be _______use of to meet the increasing need of energy. A put B brought C taken D made |
A、The distance from Q1 to Q2 is smaller than the distance from Q2 to Q3.
B、The distance from the smallest observation to Q1 is larger than the distance from Q3 to the largest observation.
C、The distance from the smallest observation to Q2 is smaller than the distance from Q2 to the largest observation.
D、The distance from Q1 to Q3 is twice the distance from Q1 to Q2.
A、68.26
B、88.89
C、93.75
D、95.44
A、parameters.
B、statistics.
C、both parameters and statistics.
D、neither parameters nor statistics.
A、is never larger than the standard deviation of the population.
B、decreases as the sample size increases.
C、measures the variability of the mean from sample to sample.
D、All of the above.
A、for a large n, it says the population is approximately normal.
B、for any population, it says the sampling distribution of the sample mean is approximately normal, regardless of the sample size.
C、for a large n, it says the sampling distribution of the sample mean is approximately normal, regardless of the shape of the population.
D、for any sized sample, it says the sampling distribution of the sample mean is approximately normal.
A、unbiased.
B、minimum variance.
C、biased.
D、random.
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