1. A study was made of the age of entering first-year university students. Which of the following is most likely to be the standard deviation? (Circle your choice) (3 points) (A) 1 month (B) 1 year (C) 5 years 2. Consider a data set of positive values, at least two of which are not equal. Which of the following sample statistics will be changed when each value in this data set is multiplied by a constant whose absolute value is greater than 1? (3 points) I. The mean II. The median III. The standard deviation (A) I only (B) II only (C) III only (D) I and II only (E) I, II, and