# Statistics testing : Computation of the tailed test by ClassOf1

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```									              Sub: Statistics                                                                           Topic: Testing

Question:
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

Solution:

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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