document.write( "Question 1173823: a company manufactures rubber balls. the mean diameter of a ball is 16 cm with a standard deviation of 0.1 cm.\r
\n" );
document.write( "\n" );
document.write( "X ~ N(16,0.1)
\n" );
document.write( "
\n" );
document.write( "What is the median? \n" );
document.write( "
Algebra.Com's Answer #799136 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "While it is not necessarily true, and usually isn't, in a list of values,\r\n" ); document.write( "\r\n" ); document.write( "the median of a normal distribution with mean μ and variance σ2 is also μ.\r\n" ); document.write( "\r\n" ); document.write( "So in your problem, the median is also ~ 16.\r\n" ); document.write( " \r\n" ); document.write( "{In fact, for a normal distribution, mean = median = mode. The median of a\r\n" ); document.write( "uniform distribution in the interval [a,b] is (a+b)/2, which is also the mean.}\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |