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The average salary of a sample of 14 teachers in a school building with a Master...

The average salary of a sample of 14 teachers in a school building with a Master Degree is $32,741 with a standard deviation of $5 800.  A sample of 12 teachers in the same building without Master Degrees have an average salary of $27,839 with a standard deviation of $7400. At the 0.01 significance level, do teachers with Master Degrees have higher salaries?

a.   State the null and alternate hypotheses.

              Ho :                                                                                                                 H1:

  1. State the decision rule.

  1. Compute the value of the test statistic.

   

                        

d.   Compute the p-value.

                                    

e.    What is your decision regarding the null hypothesis?

Math   Statistics-And-Probability   
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