APFIVE Conditions for Linear Regression Inference
A researcher wants to determine if there is a linear relationship between hours spent studying and exam scores. The scatterplot shows no obvious pattern, with points scattered randomly across the plot. The correlation coefficient is r = 0.12. Which inference procedure should NOT be used?
A
Spearman rank correlation test
B
Confidence interval for correlation coefficient
C
Test for correlation coefficient
D
Linear regression t-test
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