1) True or False? Random selection maximizes predictivevalidity.
2) True or False? A sample is a subset of a population used inan evaluation to represent the target population.
3) True or False? Large variability on key variables reduces thesize of the sample needed for adequate statistical power.
4) True or False? Sampling error is estimated by subtracting thevalue of a population parameter from the corresponding samplestatistic.
5) True or False? Precision is the degree to which measuredvalues accurately reflect true values.
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