9.9. For the data in Table 9.1 on y = violent crime rate and x = poverty

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9.9. For the data in Table 9.1 on y = violent crime rate and x = poverty rate, the prediction equation is y = 209.9 + 25.5x.

(a) Interpret the y-intcrccpt and the slope.

(b) Find the predicted violent crime rate and the residual for Massachusetts, which had x = 10.7 and y = 805. Interpret.

(c) Two states differ by 10.0 in their poverty rates.

Find the difference in their predicted violent crime rates.

(d) What is the sign of the correlation between these variables? Why?

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Statistical Methods For The Social Sciences

ISBN: 9781292021669

4th Edition

Authors: Barbara Finlay, Alan Agresti

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Question Posted: Sep 21, 2024 11:03 AM

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9.9. For the data in Table 9.1 on y = violent crime rate and x = poverty

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Statistical Methods For The Social Sciences

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