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Two math teachers (Kelly and Thomas) in the same school were teaching the same grade level....

Two math teachers (Kelly and Thomas) in the same school were teaching the same grade level. Kelly had 30 students and Thomas had 31. At the end of the year, both classes took a test and results were normally distributed with Kelly’s students (78, 10) and Thomas (85, 15). Using a 10% significance level, determine if there is a difference in the teaching quality of the two teachers.

a.What is the Null Hypothesis

b.What is the Alternative Hypothesis?

c.Is this a one or two tail test

d.What is your test statistic?

e.Reject or fail to reject?

Math   Statistics-And-Probability   
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