Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, and Russellville) reported the following information about x and y. 24.3 18.9 18.3 14.9 19.0 17.5 12.7 4.1 9.4 1.3 0.8 3.6 Complete parts (a) through (e), given Ex = 112.9, Ey = 31.9, Ex2 = 2171.85, Ey2 = 281.75, Exy = 655.69, and r 0.760. %3D (a) Draw a scatter diagram dişplaying the data.

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The final question in the example is

 If the percentage of 16- to 19-year-olds not in school and not graduates reaches 22.5% in a similar city, what is the predicted rate of violent crimes per 1000 residents? (Round your answer to two decimal places.)

 violent crimes per 1000 residents

 

Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas
(Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, and Russellville) reported the following information about x and y.
24.3
18.9
18.3
14.9
19.0
17.5
12.7
4.1
9.4
1.3
0.8
3.6
Complete parts (a) through (e), given Ex = 112.9, Ey = 31.9, Ex2 = 2171.85, Ey2 = 281.75, Exy = 655.69, and r 0.760.
%3D
(a) Draw a scatter diagram dişplaying the data.
Transcribed Image Text:Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, and Russellville) reported the following information about x and y. 24.3 18.9 18.3 14.9 19.0 17.5 12.7 4.1 9.4 1.3 0.8 3.6 Complete parts (a) through (e), given Ex = 112.9, Ey = 31.9, Ex2 = 2171.85, Ey2 = 281.75, Exy = 655.69, and r 0.760. %3D (a) Draw a scatter diagram dişplaying the data.
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