A researcher wants to predict graduate-school grade point average (GPA) from GRE verbal scores (which is what the pesky. She gathers data on fifty graduate students. Below are the data “high points”:
Independent (predictor) variable X = GRE verbal score Mean = 520 Standard Deviation = 90 Dependent (criterion) variable Y = GPA Mean = 3.30 Standard Deviation = 0.88 r = .50 (correlation between GRE verbal and GPA)
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