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The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a
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mean of x values P= E(X1 - Mx) (4; - My) is geven (a) correlation Coeffienct – ssy Issy where and My is mean of 4 values SS4X Values 15 17 25 27 17 12 11 22 Y Values 17 13 5 7 7 21 19 6 Y Values X Values X - My -3.250 -1.250 6.750 8.750 -1.250 -6.25. - 0.8744 S = - 231.75 241.5 5 290.875 is - 0.8744 :. Comelation coefficient as d (b) The regression equation is given Y = 2

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