Multiple Choice
A set of sample scores from an experiment has an N = 28 and a mean = 52. H 1 is directional, predicting an effect of the independent variable which decreases the magnitude of the dependent variable. H 0 asserts the sample is a random sample from a population of scores where µ = 55 and s = 12. a = 0.051 tail. Using the z test to analyze the data, z crit = _________.
A) +1.96
B) - 1.96
C) - 1.645
D) +1.645
Correct Answer:
Verified
Correct Answer:
Verified
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