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For the t test of the significance of the correlation coefficient, the statistic of interest is .
Q2: If H<sub>1</sub> is nondirectional one must evaluate
Q8: Define fair coins.
Q10: To use the z test, _.<br>A) µ
Q17: The sampling distribution of the mean gives
Q29: As N gets infinitely large, the critical
Q42: A significant interaction effect occurs when _.<br>A)
Q86: In an experiment where we retain H
Q90: Q obt can never be negative.
Q129: For the sampling distribution of the mean,
Q160: The sum of df within and df