The Regression Equation Is Ŷ = 30 + 2

question 61

Multiple Choice

The regression equation is Ŷ = 30 + 2.56X,the sample size is 14,and the standard error of the slope is 0.97. What is the test statistic to test the significance of the slope?

• A)z = −2.560
• B)z = +2.639
• C)t = +2.560
• D)t = +2.639

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