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To perform two sample Z test.

A sample of 40 observations is selected from one approximately normal population.  The sample mean is 102 and sample standard deviation is 5.  A sample of 50 observations is selected from a second source.  The sample mean is 99 and a standard deviation is 6. Perform a hypothesis test using the .04 level of significance to find out if there is a difference between the population means.

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  • Category:- Statistics and Probability
  • Reference No.:- M922703

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