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A professor is interested in knowing if the number of absences a student has in the...

A professor is interested in knowing if the number of absences a student has in the semester is a good indication of how well a student does on the final exam. At the end of the year, the professor compares absence rates and exam grades for eight students. The data she found are as follows.

Student

Days Absent

Final Exam Grade

A

8

77

B

3

84

C

9

71

D

10

73

E

9

70

F

5

80

G

6

79

H

2

88

What is the null hypothesis?

What is the research hypothesis?

Calculate the Pearson's correlation coefficient.

Calculate t.

Is your correlation statistically significant and, if so, at what level?

What are your conclusions about the null hypothesis?

Solutions

Expert Solution

milcah answered 5 months ago
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