# Independent sample t test

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

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#### Solution Summary

The solution provides step by step method for the calculation of test statistic for independent sample t test . Formula for the calculation and Interpretations of the results are also included.

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