math 81: pre-algebra rev: fall 2009 name: hour: score ... · math 81: pre-algebra rev: fall 2009...

MATH 81: PRE-ALGEBRA Rev: Fall 2009 Name: Hour: Score: / 11 HW Quiz on Choosing and Constructing Graphs v.1 Instructions: You have 30 minutes to complete this quiz. You may use a calculator, but no books, notes, nor conferring with a classmate. 1. Use the table below to help you complete the tasks that follow. The dollar values are the average

amounts spent each year by all the people in that age range.

Average Annual Expenditures

Under 25 years

25-34 years

35-44 years

45-54 years

55-64 years

65 years and older

Food $4,447 $6,229 $7,849 $7,696 $6,357 $4,692 Housing $9,975 $17,318 $20,649 $19,562 $17,611 $12,993 Transportation $5,464 $8,699 $9,797 $10,691 $9,377 $5,620 Healthcare $682 $1,737 $2,499 $2,930 $3,825 $4,605 Entertainment $1,608 $2,766 $3,603 $3,297 $3,036 $1,914 Education $1,691 $759 $953 $2,012 $867 $272 Other $5,458 $10,651 $13,458 $14,991 $13,710 $6,748

Source: U.S. Bureau of Labor Statistics 2008 Consumer Expenditure Survey (http://www.bls.gov/cex/)

a) Create a reasonably accurate bar graph using the numbers on the “Food” row. Make sure you include all five of the essential features of a graph.

b)

(Continued on the back.)

Is it possible to make a meaningful pie graph using part of this data? YES NO (Circle one) i) If you CAN, circle the numbers in the table you’d use and write a detailed title for the graph.

ii) If you CANNOT, explain why.

c) Is it possible to make a meaningful line graph using part of this data? YES NO (Circle one) i) If you CAN, draw an X over each number in the table that you would use and write units

along each of the axes below.

ii) If you CANNOT, explain why.