Question: Construct the confidence interval for 12 for the level of confidence and the data from independent samples given. 95% confidence,n1=110 , x1=77 , s1=15 n2=85

Construct the confidence interval for 12 for the level of confidence and the data from independent samples given.

  1. 95% confidence,n1=110 , x1=77 , s1=15 n2=85 , x2=79 , s2=21
  2. 90% confidence,n1=65 , x1=83 , s1=12 n2=65 , x2=74 , s2=8

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