SOLUTION: A set of data items has a mean of 400 and a std. deviation of 50. Find the data item that corresponds to a z-score of -1.5.
A) 325
B) 350
C) 375
D) 400
E) 475
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-> SOLUTION: A set of data items has a mean of 400 and a std. deviation of 50. Find the data item that corresponds to a z-score of -1.5.
A) 325
B) 350
C) 375
D) 400
E) 475
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Question 865477: A set of data items has a mean of 400 and a std. deviation of 50. Find the data item that corresponds to a z-score of -1.5.
A) 325
B) 350
C) 375
D) 400
E) 475 Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A set of data items has a mean of 400 and a std. deviation of 50. Find the data item that corresponds to a z-score of -1.5.
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That score is 1.5 standard deviations below the mean::
Ans: 400 - 1.5*50 = 400-75 = 325
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Cheers,
Stan H.
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A) 325
B) 350
C) 375
D) 400
E) 475
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