The correlation coefficient:
A) presents the strength of the relationship.
B) presents the direction of the relationship.
C) varies from -1.0 to +1.0.
D) all of the above
Correct Answer:
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Q7: An important first step to visualize the
Q8: Choose the strongest correlation:
A)-.28
B)-.76
C)+.66
D)+.1 2
Q9: If a correlation between variables A and
Q10: If TV viewing initially decreases with age,
Q11: The strength of the correlation is indicated
Q13: Correlation can vary with respect to:
A)time.
B)direction.
C)strength.
D)b and
Q14: Which statement is NOT true of correlation
Q15: If the variable Wealth increases as the
Q16: Pearson's r is useful for detecting a
Q17: A negative correlation between variables X and
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