Which of the following is the 95% confidence interval for the regression coefficient β₁,if df = 30,b₁= −2 and A) [−5.00,−1.00] B) [−7.88,3.88] C) [−7.09,3.09] D) [−8.13,4.13]

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The Answer of Which of the following is the 95% confidence interval for the regression coefficient β₁,if df = 30,b₁= −2 and A) [−5.00,−1.00] B) [−7.88,3.88] C) [−7.09,3.09] D) [−8.13,4.13]

Which of the Following Is the 95% Confidence Interval for the Regression