Question 334829: On a standard measure of hearing ability, the mean is 300 and the standard deviation
is 20. Give the Z scores for persons who score (a) 340, (b) 310, and
(c) 260. Give the raw scores for persons whose Z scores on this test are (d) 2.4,
(e) 1.5, (f) 0, and (g) .
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! On a standard measure of hearing ability, the mean is 300 and the standard deviation
is 20. Give the Z scores for persons who score
(a) 340,
(b) 310,
(c) 260.
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Use the fomula z = (raw score - mean)/(standard deviation)
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Give the raw scores for persons whose Z scores on this test are (d) 2.4,
(e) 1.5, (f) 0, and (g) .
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Use the formula raw score = (z score)(stand. dev)+ (mean)
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Cheers,
Stan H.
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