The regression equation is Ý= 29.29 – 0.84X, the sample size is 23, and the standard error of the slope is 0.22. What is the critical value to test whether the slope is different from zero at the 0.01 significance level?

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A: Note: As per my policy i can answer only three sub parts. kindly repost the remaining sub parts.…

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A: Given data, test statistic (t) = -2.5 slope (b1) = 0.5

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A: Here use relation of slope and correlation coefficient

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A: Given Information: Intercept = 104.062 Slope = 50.730 R-squared value is 0.8340

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