Refer to Exercise 18. The regression equation is , the sample size is 9, and the
Chapter 0, Problem 24(choose chapter or problem)
Refer to Exercise 18. The regression equation is \(\hat{Y}=9.9198-0.00039 X\), the sample size is 9, and the standard error of the slope is 0.0032. Use the .05 significance level. Can we conclude that the slope of the regression line is less than zero?
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