Tailed test and test statistic

Reference no: EM1320997

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

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?

Reference no: EM1320997

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