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Chapter 12: Q.43 (page 718)

Write the equation: 欧= ____________

Short Answer

Expert verified

The linear equation is shown below:

# AIDS cases diagnosed=-3448225+1750( year)

Step by step solution

01

Given information

Given in the question that the table,

Year
# flu cases diagnosed
# flu deaths
Pre-1981
81
29
1982
1,170453
1983
3,0761,482
1984
6,2403,466
1985
11,7766,878
1986
19,03211,987
1987
28,56416,162
1988
35,44720,868
1989
42,67427,591
1990
48,63431,335
1991
59,66036,560
1992
78,53041,055
1993
78,83444,730
1994
71,87449,095
1995
68,50549,456
1996
59,34738,510
1997
47,14920.736
1998
38,39319,005
1999
25,17418,454
2000
25,522
17,347
2001
25,643
17,402
2002
26,464
16,371
Total802,118
489,093
02

Explanation

The linear equation is shown below:

# AIDS cases diagnosed=-3448225+1750( year)

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Most popular questions from this chapter

62. If the level of significance is 0.05 and the p-value is 0.06, what conclusion can you draw?

A researcher is investigating whether population impacts homicide rate. He uses demographic data from Detroit, MI to compare homicide rates and the number of the population that are white males.

a. Use your calculator to construct a scatter plot of the data. What should the independent variable be? Why?

b. Use your calculator鈥檚 regression function to find the equation of the least-squares regression line. Add this to your

scatter plot.

c. Discuss what the following mean in context.

i. The slope of the regression equation

ii. The y-intercept of the regression equation

iii. The correlation \(r\)

iv. The coefficient of determination \(r2\).

For a given line of best fit, you compute that r=0.5204using n=9data points, and the critical value is 0.666. Can the line be used for prediction? Why or why not?

Does the scatter plot appear linear? Strong or weak? Positive or negative?

What does the correlation imply about the relationship between time (years) and the number of diagnosed flu cases reported in the U.S.?
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