The Sign of the Correlation (+/-) Is Generally Meaningless for the Point-Biserial

Q25: A set of n = 15 pairs

Q26: A correlation of r = -0.95 means

Q27: The Spearman correlation can be +1.00 or

Q28: For a two-tailed hypothesis test evaluating the

Q30: A Spearman correlation of r_S = 0.45

Q31: The effect size for the data from

Q32: A Pearson correlation of r = -0.90

Q34: A set of n = 5

Q36: If the Pearson correlation is calculated for

Q71: For a positive correlation,decreases in X tend