Homework 2
Math 114Q, Sections 9, 11
Due Tuesday September 16

  1. Carefully read the posted answers to homework 1. Then write a sentence or two explaining what you will do differently this time based on what you discovered there.

  2. Common Sense, exercise 2.1. You need not do any arithmetic to answer this question correctly. You should do the research called for, and then write a few paragraphs about what strike you as the most interesting and informative parts of the data.

    You can find the table the book refers at www.cs.umb.edu/~eb/114/hw2/cpiBasket.txt.

  3. Common Sense, exercise 2.3.

  4. Common Sense, exercise 2.4. (You may need to re-do problem 2.2, or do enough of it to be able to do this problem.)

  5. Common Sense, exercise 2.6.

  6. The front page of the September 9 Boston Globe provided this information on Red Sox ticket prices:

    1. Which ticket price increased the most?

      Before you jump to a conclusion, find the absolute and relative increases in ticket prices in each category. (Express the relative increase as a percent.)

    2. How do the computations in the previous question change when you take inflation into account?

  7. Common Sense, exercise 3.1.

  8. Common Sense, exercise 3.2.

  9. Common Sense, exercise 3.6. For part 3, print your letter on a separate page formatted exactly as you would if you were going to send it.
Extra Practice: You do not have to turn these problems in, but we will be happy to look them over if you do They are intended to give you extra practice in working with percentages.
  1. According to Enrollment Services, there were 13,200 students enrolled at UMass Boston in fall 2007. Enrollment Services reported that 837 of these students are in the College of Nursing. Calculate the percentage of students in the College of Nursing.
  2. In fall 2006 there were 2,426 new undergraduate students. In fall 2007 there are 2,539 new undergraduate students. Find the percentage change in undergraduate students from fall 2006 to fall 2007.
  3. In fall 2006 the College of Nursing enrolled 690 undergraduates. The enrollment of undergraduates in the College of Nursing increased by 20.4% in fall 2007. What is the enrollment in fall 2007?
  4. Enrollment Services reported that there are 4434 undergraduates in the College of Liberal Arts in fall 2007. They calculated that this is a 5.8% increase from last fall's enrollment in the College of Liberal Arts. How many undergraduates were enrolled in the College of Liberal Arts in fall 2006?