APFIVE Hypothesis Test for Regression Slope
A researcher wants to determine if there is a positive linear relationship between hours spent studying and exam scores. Which hypothesis test for the slope of the regression model would be most appropriate?
A
Two-tailed test with H₀: ρ = 0 vs. H₁: ρ ≠ 0
B
Left-tailed test with H₀: β = 0 vs. H₁: β < 0
C
Two-tailed test with H₀: β = 0 vs. H₁: β ≠ 0
D
Right-tailed test with H₀: β = 0 vs. H₁: β > 0
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