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)![]() ![]() You can put this solution on YOUR website! 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( ". \n" ); document.write( "z = (505-450)/108 \n" ); document.write( "z = 55/108 \n" ); document.write( "z = 0.51 \n" ); document.write( " |