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  1. mathematics
  2. statistics
  3. given two independent random samples with the foll

Given two independent random samples with the following results: n1=11 x‾1=174 s1=34   n2=8 x‾2=191 s2=22 Use this data to...

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Statistics

Given two independent random samples with the followingresults:

n1=11 x‾1=174 s1=34   n2=8 x‾2=191 s2=22

Use this data to find the 90% confidence interval for the truedifference between the population means. Assume that the populationvariances are equal and that the two populations are normallydistributed.

Find the critical value that should be used in constructing theconfidence interval. Round your answer to three decimal places.

Find the standard error of the sampling distribution to be usedin constructing the confidence interval. Round your answer to thenearest whole number.

Construct the 90%90% confidence interval. Round your answers tothe nearest whole number.

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