Statistics testing : Computation of the tailed test by ClassOf1


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									              Sub: Statistics                                                                           Topic: Testing

              Find the tailed test and test statistic and give your conclusion.

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              A sample of 65 observations is selected from one population. The sample mean is 2.67 and the
              sample standard deviation is .75. A sample of 50 observations is selected from a second
              population. The sample mean is 2.59 and the sample standard deviation is .66. Conduct the
              following test using 95% level of confidence.
              a.     Is it a 1 or 2 tail tes
              b.     Compute the statistical calculation
              c.     What is your decision regarding H1


              The information given in the problem is represented by the following notations:

                        Let the random variables ‘X1 be the samples from the population one

                        and X2’ be the samples from population two

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