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Suppose that an experimenter administer a word recall task to groups of freshman, sophomores, juniors, and seniors. Fill in the table below. Compute the score based on their appropriate class means and standard deviations:

Group	Mean	Standard Deviation
Freshman	24.95	1.68
Sophomores	22.62	1.43
Juniors	23.47	1.98
Seniors	25.64	1.23

	Raw Score	Z -score
Jim (freshman)	22
Tommy (sophomores)		-1.3
Peter (Junior)		1.45
Colleen (senior)	24

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Statistics and Probability, Statistics

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