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Magazine Chapter 12: Q.40 (page 718)
Does the line seem to fit the data? Why or why not?
Short Answer
Expert verified
A relationship is linear because points fall close to the straight line. Therefore, the line will be fit into the data.
Step by step solution
01
Given information
Given in the question that the table,
| Year | # flu cases diagnosed | # flu deaths |
| Pre-1981 | 91 | 29 |
| 1981 | 319 | 121 |
| 1982 | 1,170 | 453 |
| 1983 | 3,076 | 1,482 |
| 1984 | 6,240 | 3,466 |
| 1985 | 11,776 | 6,878 |
| 1986 | 19032 | 11,987 |
| 1987 | 28,564 | 16,162 |
| 1988 | 35,447 | 20,868 |
| 1989 | 42,674 | 27,591 |
| 1990 | 48,634 | 31,335 |
| 1991 | 59,660 | 36,560 |
| 1992 | 78,530 | 41,055 |
| 1993 | 78,834 | 44,730 |
| 1994 | 71,874 | 49095 |
| 1995 | 68,505 | 49,456 |
| 1996 | 59,347 | 38,510 |
| 1997 | 47,149 | 20736 |
| 1998 | 38,393 | 19,005 |
| 1999 | 25,174 | 18,454 |
| 2000 | 25,522 | 17,347 |
| 2001 | 25,643 | 17,402 |
| 2002 | 26,464 | 16,371 |
| total | 802,118 | 489,093 |
02
Explanation
The scatter plot is shown below:
The above graph shows that there is a positive association between the variables as slopes go upward from left to right. Also, a relationship is linear because points fall close to the straight line. Therefore, the line will be fit into the data.
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