document.write( "Question 406904: On a measure of concern for the environment, the mean is 79 and the standard deviation is 12 (scores varying from 0 to 150). What are the Z scores for the following raw scores?\r
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Algebra.Com's Answer #287128 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "*Note: 
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document.write( "the mean is 79 and the standard deviation is 12 
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document.write( "a. 91   z = (91-79)/12
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document.write( "b. 68   z = (68-79)/12 \n" );
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