Question

In: Statistics and Probability

The following data represent the final exam scores of 18 male students and 18 female students....

The following data represent the final exam scores of 18 male students and 18 female students.

Male: 68, 68, 72, 73, 65, 74, 73, 72, 68, 65, 73, 66, 71, 68, 74, 66, 71, 65

Female: 59, 75, 70, 56, 66, 75, 68, 75, 62, 60, 73, 61, 75, 74, 58, 60, 73, 58

Is there any significant difference between the average exam scores of male and female students? Explain your answer using both confidence interval method and hypothesis test method.

Solutions

Expert Solution

Let X1 : Score of male student

X2 : Score of female student

where X1bar = 1252/18 = 69.56

X2bar = 1198/18 =66.56


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