The following contingency table shows the distribution of grades earned by students taking a midterm exam in

Question:

The following contingency table shows the distribution of grades earned by students taking a midterm exam in an MBA class, categorized by the number of hours the students spent studying for the exam:

a. Using α = 0.05, perform a chisquare test to determine if a student’s grade on the exam and the hours spent studying for it are independent of one another.

b. What conclusions can be made based on these results?

c. Verify your results using p_value.

Distribution
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