document.write( "Question 379254: In the frequency distribution below,y represents age on last birthday for 40 people. Find the mean, median, mode, and range fory. \r
\n" ); document.write( "\n" ); document.write( "y f
\n" ); document.write( "17 2
\n" ); document.write( "18 7
\n" ); document.write( "19 19
\n" ); document.write( "20 9
\n" ); document.write( "21 2
\n" ); document.write( "22 0
\n" ); document.write( "23 1
\n" ); document.write( "

Algebra.Com's Answer #269286 by rfer(16322)\"\" \"About 
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mean=20
\n" ); document.write( "median=19
\n" ); document.write( "mode=19
\n" ); document.write( "range=6
\n" ); document.write( "
\n" );