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Using the data from 15 automobile accidents, the correlation coefficient between the combined speeds of the...

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Statistics

Using the data from 15 automobile accidents, the correlationcoefficient between the combined speeds of the cars (x) in anaccident and the amount of damage done (y) is 0.7831. Theregression equation for the two variables is y = 801.518 +162.845x.

a. Is this a significant correlation?

b. If the answer to last part is YES, then predict the amount ofdamage done in an accident in which the combined speeds of the carinvolved was 100 mph.

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