Does prison really deter violent crime? Let x represent percent change in the rate of violent crime and y represent percent change in the rate of imprisonment in the general U.S. population. For 7 recent years, the following data have been obtained. x 5.7 5.3 4.3 5.2 6.2 6.5 11.1 y −1.8 −4.3 −8.0 −4.0 3.6 −0.1 −4.4 Complete parts (a) through (e), given Σx = 44.3,Σy = −19,Σx 2 = 310.01, Σy 2 = 134.06,Σxy = −115.42,and r ≈ 0.098.(b) Verify the given sums Σx, Σy, Σx 2, Σy 2, Σxy, and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.) Σx = Σy = Σx 2 = Σy 2 = Σxy = r =

Does prison really deter violent crime? Let x represent percent change in the rate of violent crime and y represent percent change in the rate of imprisonment in the general U.S. population. For 7...

Does prison really deter violent crime? Let
x
represent percent change in the rate of violent crime and
y
represent percent change in the rate of imprisonment in the general U.S. population. For 7 recent years, the following data have been obtained.

x	5.7	5.3	4.3	5.2	6.2	6.5	11.1
y	−1.8	−4.3	−8.0	−4.0	3.6	−0.1	−4.4

Complete parts (a) through (e), given Σx
= 44.3,

Σy = −19,

Σx
²
= 310.01, Σy
²
= 134.06,

Σxy = −115.42,

and
r
≈ 0.098.

(b) Verify the given sums Σx, Σy, Σx
², Σy
², Σxy, and the value of the sample correlation coefficient
r. (Round your value for
r
to three decimal places.)

Σx =
Σy =
Σx ² =
Σy ² =
Σxy =
r =

Jun 01, 2022

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Does prison really deter violent crime? Let x represent percent change in the rate of violent crime and y represent percent change in the rate of imprisonment in the general U.S. population. For 7...

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