document.write( "Question 607538: A standardized test has a mean score of 450. The standard deviation is 108. The student scored 505. What is the Z-score? \n" ); document.write( "
Algebra.Com's Answer #382776 by nerdybill(7384)\"\" \"About 
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A standardized test has a mean score of 450. The standard deviation is 108. The student scored 505. What is the Z-score?
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\n" ); document.write( "z = (505-450)/108
\n" ); document.write( "z = 55/108
\n" ); document.write( "z = 0.51
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