document.write( "Question 1028276: For a normal distribution with mean of 100 and a standard deviation of 12, find the number of standard deviations the raw score 76 is from the mean (Give answer as a positive value rounded to nearest hundredth). \n" ); document.write( "
Algebra.Com's Answer #643379 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! we use the z-score calculation \n" ); document.write( ": \n" ); document.write( "z-score = (X - mean) / std. dev. \n" ); document.write( ": \n" ); document.write( "z-score = (76 - 100) / 12 = -2 \n" ); document.write( ": \n" ); document.write( "******************************************** \n" ); document.write( "76 is 2.00 standard deviations from the mean \n" ); document.write( "******************************************** \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |