a. Suppose an instructor decides to add five points to every student’s exam score in a class. What effect would this have on the five-number summary? On the inter-quartile range? Explain.
b. Suppose an instructor decides to add five points only to the exam score for the highest-scoring student in the class. What effect would this have on the five-number summary? On the inter-quartile range? Explain.

c. Suppose an instructor decides to add five points only to the exam score for the lowest-scoring student in the class. What effect would this have on the five-number summary? On the inter-quartile range? Explain.