Testing whether the slope of the population regression line could be zero is equivalent to testing whether the:
A. sample coefficient of correlation could be zero.
B. standard error of estimate could be zero.
C. population coefficient of correlation could be zero.
D. sum of squares for error could be zero.
Analysis:
A. Incorrect. It is equivalent to testing whether the population coefficient of correlation could be zero.
B. Incorrect. It is equivalent to testing whether the population coefficient of correlation could be zero.
C. Correct. It is equivalent to testing whether the population coefficient of correlation could be zero.
D. Incorrect. It is equivalent to testing whether the population coefficient of correlation could be zero.
ANSWER : C
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