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2022-06-14 14:10
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置信区间问题,求下面两句话的区别

一个样本的出了u的95%置信区间是-3到5
很多个类似样本中95%的样本的u是在-3到5
求问 这两句话的区别在哪里?

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 a sample is the interval of numbers from -3 to +5,i,.e. the interval
 1-3,5l decide whether each of the statements below is true or false
 and give a brief explanation why:
   i. (5 Points) if we took 100 such random samples then in 95% of
      the samples we can expect that -3<μ<5
  ii. (5 points) if we were told that the true value of u is 1 and we
      took 100 such random samples then 95% of the samples we can
      expect that -3 < y< 5 where y denotes the calculated value of
      the sample average which would be obtained from the samples
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