document.write( "Question 1138818: Use the sample data set below:
\n" ); document.write( "{51, 57, 43, 65, 72, 39, 56, 61, 48, 49, 37, 44, 68, 75, 52, 56, 41, 63}
\n" ); document.write( "
\n" ); document.write( "Find the mean, median and variance to the nearest hundredth.
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #756833 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
The mean is:\r
\n" ); document.write( "\n" ); document.write( "

\r
\n" ); document.write( "\n" ); document.write( "Median: \r
\n" ); document.write( "\n" ); document.write( "put terms in order from lowest to highest
\n" ); document.write( " $\"37\"$ , $\"39\"$ , $\"41\"$ , $\"43\"$ , $\"44\"$ , $\"48\"$ , $\"49\"$ , $\"51\"$ , $\"highlight%2852%29\"$ ,|| $\"highlight%2856%29\"$ , $\"56\"$ , $\"57\"$ , $\"61\"$ , $\"63\"$ , $\"65\"$ , $\"68\"$ , $\"72\"$ , $\"75\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%2852%2B56%29%2F2=54\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "to find standard deviation, create the following table:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"data\"$ ..... $\"data-mean\"$ ..... $\"%28data+-+mean%29%5E2\"$
\n" ); document.write( " $\"37\"$ ..... $\"-17.2778\"$ ..... $\"298.52237284\"$
\n" ); document.write( " $\"39\"$ ..... $\"-15.2778\"$ ..... $\"233.41117284\"$
\n" ); document.write( " $\"41\"$ ..... $\"-13.2778\"$ ..... $\"176.29997284\"$
\n" ); document.write( " $\"43\"$ ..... $\"-11.2778\"$ ..... $\"127.18877284\"$
\n" ); document.write( " $\"44\"$ ..... $\"-10.2778\"$ ..... $\"105.63317284\"$
\n" ); document.write( " $\"48\"$ ..... $\"-6.2778\"$ ..... $\"39.41077284\"$
\n" ); document.write( " $\"49\"$ ..... $\"-5.2778\"$ ..... $\"27.85517284\"$
\n" ); document.write( " $\"51\"$ ..... $\"-3.2778\"$ ..... $\"10.74397284\"$
\n" ); document.write( " $\"52\"$ ..... $\"-2.2778\"$ ..... $\"5.18837284\"$
\n" ); document.write( " $\"56\"$ ..... $\"1.7222\"$ ..... $\"2.96597284\"$
\n" ); document.write( " $\"56\"$ ..... $\"1.7222\"$ ..... $\"2.96597284\"$
\n" ); document.write( " $\"57\"$ ..... $\"2.7222\"$ ..... $\"7.41037284\"$
\n" ); document.write( " $\"61\"$ ..... $\"6.7222\"$ ..... $\"45.18797284\"$
\n" ); document.write( " $\"63\"$ ..... $\"8.7222\"$ ..... $\"76.07677284\"$
\n" ); document.write( " $\"65\"$ ..... $\"10.7222\"$ ..... $\"114.96557284\"$
\n" ); document.write( " $\"68\"$ ..... $\"13.7222\"$ ..... $\"188.29877284\"$
\n" ); document.write( " $\"72\"$ ..... $\"17.7222\"$ ..... $\"314.07637284\"$
\n" ); document.write( " $\"75\"$ ..... $\"20.7222\"$ ..... $\"429.40957284\"$ \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " the sum of numbers in the last column above is: $\"2205.6111\"$ \r
\n" ); document.write( "\n" ); document.write( "divide it by $\"%28n-1%29\"$ where $\"n\"$ is the number of elements, in your sample $\"n=18\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"variance=2205.6111%2F%2818-1%29=2205.6111%2F17=129.74+\"$ \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );