(a) Does the 95 percent confidence interval for the slope include zero If so, what does this tell you If not, what does it mean (b) Do a two tailed t test for zero slope at 05 State the hypotheses, degrees of freedom, and critical value for your test (c) Interpret the p value for the slope (d) Did the sample support your hypothesis about the sign of the slope

Question: (a) Does the 95 percent confidence interval for the slope include zero? If so, what does this tell you? If not, what does it mean?

(a) Does the 95 percent confidence interval for the slope include zero? If so, what does this tell you? If not, what does it mean?
(b) Do a two-tailed t test for zero slope at α = .05. State the hypotheses, degrees of freedom, and critical value for your test.
(c) Interpret the p-value for the slope.
(d) Did the sample support your hypothesis about the sign of the slope?

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