Page 576 - Basic College Mathematics with Early Integers
P. 576

CHAPTER 7 TEST                          553


             6. During which month(s) does 7 centimeters of precipitation normally occur?
                                                                                                6.

              7. Use the information in the table to draw a bar graph. Clearly label each bar.

               Most Common Blood Types                   Most Common Blood Types by
                                                           Percent in the Population
                           % of Population
                              with This
              Blood Type     Blood Type
                                                  Percent of Population
                 O+             38%                                                              7.
                 A+             34%
                 B+              9%
                 O-              7%                 10
                 A-              6%                  5
                 AB+             3%
                                                                   Blood Type
                 B-              2%
                                                                                                8.
                 AB-             1%


            The following line graph shows the average annual inflation rate in the United States for the
            years 1997–2008. Use this graph to answer Exercises 8 through 10. (Source: Bureau of Labor
            Statistics)

                       U.S. Annual Inflation Rate                 8. Approximate the annual
               6 5                                                  inflation rate in 2003.      9.
              Inflation Rate (percent)  4 3 2                     9. During which of the years



                                                                    shown was the inflation
                                                                    rate greater than 3%?


               1
                                                                10. During which sets of
                                                                    years was the inflation
               0
               1997 1998 1999 2000  2001  2002 2003 2004 2005 2006 2007  2008  rate increasing?  10.
                                 Year
            Source: Bureau of Labor Statistics


            The result of a survey of 200 people is shown in the following circle graph. Each person was
            asked to tell his or her favorite type of music. Use this graph to answer Exercises 11 and 12.

            Country                               11. Find the ratio of those who prefer rock
              62
                                                     music to the total number surveyed.       11.
                                       Rock
                                        85
                                                  12. Find the ratio of those who prefer country
                                                     music to those who prefer jazz.




                   Jazz
                   44       Classical
                               9                                                               12.
   571   572   573   574   575   576   577   578   579   580   581