Suppose the regression of Output per Hour on employee Age yields a coefficient of -4.3 with a standard error of 1.2. Which of the following equations would properly report the 95% confidence interval for the population coefficient?
A. -4.3 ± 1.96(1.2)
B. 0 ± 1.96(1.2)
C. -4.3 ± 1.96
D. -4.3 ± 1.65(1.2)
Answer: A
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