Question 348405: Please help with this problem.
On a standard measure of hearing ability, the mean is 300 and the standard deviation is 20. Give the Z score for persons who score (a) 340, (b) 310, and (c) 260. Give the raw scores for persons whose z scores are on this test are (d) 2.4, (e)1.5, (f) 0, and (g) -4.5
Please show work on how to get the z score and raw scores. Thank you
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 score for persons who score
(a) 340, (b) 310, and (c) 260.
Use the form z = (x-u)/s to get the z score associated with "x".
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Give the raw scores for persons whose z scores are on this test are (d) 2.4, (e)1.5, (f) 0, and (g) -4.5
Use the form x = zs+u to find the raw score associated with "z".
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Please show work on how to get the z score and raw scores.
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Cheers,
Stan H.
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