The direction of a correlation is indicated by:
A) its sign (+ or - ) .
B) its numerical value.
C) both a and b
D) none of the above
Correct Answer:
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Q16: Pearson's r is useful for detecting a
Q17: A negative correlation between variables X and
Q18: A positive correlation between variables X and
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Q21: A weak correlation coefficient could result from
Q22: The population correlation is known as:
A)row (ρ)
B)rho
Q23: The question below refers to the following
Q24: The question below refers to the following
Q25: Pearson's r is only useful for detecting
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