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Four hundred smokers were asked at what age they began smoking. The mean age aws 18.1 years with a SD of 3.72 years. The confidence interval of 95% fpor the mean age that all smokers began smoking is 17.74 < = mean < = 18.46.

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Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920615

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