Given a 50 item multiple-choice test with a mean of 30,standard deviation of 4, and a reliability coefficient of .80, calculate the Standard Error of Measurement.
A) 2.60
B) 1.80
C) -2.40
D) 0.80

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The Answer of Given a 50 item multiple-choice test with a mean of 30,standard deviation of 4, and a reliability coefficient of .80, calculate the Standard Error of Measurement.
A) 2.60
B) 1.80
C) -2.40
D) 0.80

Given a 50 Item Multiple-Choice Test with a Mean of 30,standard