document.write( "Question 390732: The value 64 cm comes from a population with mean 50 cm and standard deviation 5 cm. The value 40 inches comes from a population with mean 30 inches and standard deviation 3 inches. Calculate and compare their z-scores? \n" ); document.write( "
Algebra.Com's Answer #277197 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The value 64 cm comes from a population with mean 50 cm \n" ); document.write( "and standard deviation 5 cm. \n" ); document.write( "--- \n" ); document.write( "z(64) = (64-50)/5 = 14/5 = 2.8 \n" ); document.write( "64 is 2.8 standard deviations above the mean of its population.\r \n" ); document.write( "\n" ); document.write( "----- \n" ); document.write( " The value 40 inches comes from a population with mean 30 inches and standard deviation 3 inches. \n" ); document.write( "--- \n" ); document.write( "z(40)=(40-30)/3 = 3.3333... \n" ); document.write( "40 is 3 1/3 standard deviations above the mean of its population \n" ); document.write( "========================== \n" ); document.write( "Calculate and compare their z-scores? \n" ); document.write( "=== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |