A random sample of non-industrialized countries was selected, and the life expectancy in years is listed for both men and women. Given that the correlation coefficient is significant, find the equation of the regression line. Men, x 59.7 72.9 41.9 46.2 50.3 43.2 Women, y 63.8 77.8 44.5 48.3 54.0 43.5

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18.
17. The number of murders and robberies per 100,000 population for a random selection of states are
shown. Given the equation of the regression line is y' = 25.333x- 13.151, predict the number of
robberies when x = 4.5 murders.
Murders, x
Robberies, y
2.4
2.7
5.6
2.6
2.1
3.3
6.6
5.7
25.3
14.3
151.6
91.1
80
49
17.3
95.8
18. A random sample of non-industrialized countries was selected, and the life expectancy in years is
listed for both men and women. Given that the correlation coefficient is significant, find the
equation of the regression line.
Men, x
59.7
72.9
41.9
46.2
50.3
43.2
Women, y
63.8
77.8
44.5
48.3
54.0
43.5
19
Transcribed Image Text:17. The number of murders and robberies per 100,000 population for a random selection of states are shown. Given the equation of the regression line is y' = 25.333x- 13.151, predict the number of robberies when x = 4.5 murders. Murders, x Robberies, y 2.4 2.7 5.6 2.6 2.1 3.3 6.6 5.7 25.3 14.3 151.6 91.1 80 49 17.3 95.8 18. A random sample of non-industrialized countries was selected, and the life expectancy in years is listed for both men and women. Given that the correlation coefficient is significant, find the equation of the regression line. Men, x 59.7 72.9 41.9 46.2 50.3 43.2 Women, y 63.8 77.8 44.5 48.3 54.0 43.5 19
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