Question
10.28
10.28 The Border Patrol. Here are the numbers of deportable aliens caught by the U.S. Border Patrol for 1971 through 2009. Display these data in a graph. What are the most important facts that the data show?
| Year: |
1971 |
1973 |
1975 |
1977 |
1979 |
| Count (1000s): |
420 |
656 |
767 |
1042 |
1076 |
| Year: |
1981 |
1983 |
1985 |
1987 |
1989 |
| Count (1000s): |
976 |
1251 |
1349 |
1190 |
954 |
| Year: |
1991 |
1993 |
1995 |
1997 |
1999 |
| Count (1000s): |
1198 |
1327 |
1395 |
1536 |
1714 |
| Year: |
2001 |
2003 |
2005 |
2007 |
2009 |
| Count (1000s): |
1266 |
932 |
1189 |
877 |
556 |
Figure 10.19: Figure 10.19 The sunspot cycle, Exercise 10.24. This is a line graph of the average number of sunspots per month for the years 1900–2011. (Data from the National Oceanic and Atmospheric Administration)
Figure 10.20: Figure 10.20 Passenger car sales by several manufacturers in 1997, Exercise 10.26.