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so the confidence interval lets say is -1.96 to 1.96 (5% level of significance). This would be the right answer and the fact that it is equivalent to 95% is just a characteristic ofthe interval or in other word the level of confidence for the interval -1.96 to 1.96 is 95%.
Thx man |
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发表于 2011-7-13 16:16
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