(In some of the exercises that follow, we must
Chapter 9, Problem 12E(choose chapter or problem)
In Exercise 6.5-5, data are given for horsepower, the time it takes a car to go from 0 to 60, and the weight in pounds of a car, for 14 cars. Those data are repeated here:
(a) Let \(\rho\) be the correlation coefficient of horsepower and weight. Test \(H_{0}: \rho=0\) against \(H_{1}: \rho \neq 0\).
(b) Let \(\rho$ be the correlation coefficient of horsepower and "0-60." Test \(H_{0}: \rho=0\) against \(H_{1}: \rho<0\).
(c) Let \(\rho\) be the correlation coefficient of weight and "0-60." Test \(H_{0}: \rho=0\) against \(H_{1}: \rho \neq 0\).
Equation Transcription:
.
Text Transcription:
H_0:rho=0
H_1:rho not =0
H_1:rho <0
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