In simple linear regression, most often we perform a two-tail test of the population slope to determine whether there is sufficient evidence to infer that a linear relationship exists. Which of the following best describes the null and alternative hypotheses needed for a test of significance?
A) Ho: β0 = 0
HA: β0 ≠ 0
B) Ho: β1 ≠ 0
HA: β1 = 0
C) Ho: β0 = 0.
HA: β0 ≠ 0
D) Ho: β1 = 0
HA: β1 ≠ 0.
Correct Answer:
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