5 Question 13 (0.5 pts) Based on this boxplot, which of the following statements is true?
Question 14 (0.5 pts) If each person increased his or her score by 5 points then
Question 15 (0.5 pts) About 25% of the student scores exceeded
Question 16 (0.5 pts) If 5 points were added to each score, then standard deviation of the new scores would a. be increased by 5. b. be increased by 25. c. be decreased by 5. d. remain unchanged.
Question 17 (0.5 pts) Which of the following sets of four numbers has the greatest standard deviation?
Question 18 (0.5 pts) A Normal density curve has which of the following properties?