document.write( "Question 1175825: The data for the number of visitors at a book club has been organized in the
\n" ); document.write( "frequency table.
\n" ); document.write( "
\r\n" ); document.write( "Number of visitors: 6, 7, 8, 9, 10, 11, 12, 13\r\n" ); document.write( " Frequency: 2, 5, n, 4, 4, 2, 2, 2\r\n" ); document.write( "

\n" ); document.write( "Question: Write down the value of n.
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #802297 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!
The data for the number of visitors at a book club has been organized in the
\n" ); document.write( "frequency table.
\n" ); document.write( "

\r\n" );
document.write( "Number of visitors: 6, 7, 8, 9, 10, 11, 12, 13\r\n" );
document.write( " Frequency:         2, 5, n, 4, 4,  2,  2,  2\r\n" );
document.write( "

Question: Write down the value of n.

\r\n" );
document.write( "That table means: \r\n" );
document.write( "that there were 2 days when 6 visitors came,\r\n" );
document.write( "that there were 5 days when 7 visitors came,\r\n" );
document.write( "that there were n days when 8 visitors came,\r\n" );
document.write( "that there were 4 days when 9 visitors came,\r\n" );
document.write( "that there were 4 days when 10 visitors came,\r\n" );
document.write( "that there were 2 days when 11 visitors came,\r\n" );
document.write( "that there were 2 days when 12 visitors came,\r\n" );
document.write( "that there were 2 days when 13 visitors came.\r\n" );
document.write( "\r\n" );
document.write( "Look carefully at the problem in your book again.\r\n" );
document.write( "You'll see that you left out something that was\r\n" );
document.write( "given.  That could have either been the number of\r\n" );
document.write( "weeks, or the total, or the mean number of visitors.\r\n" );
document.write( "\r\n" );
document.write( "Suppose the mean number of visitors per day was given as, \r\n" );
document.write( "say, 9. Then that would mean that\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "What were you given that you left out?  If it happened\r\n" );
document.write( "to be that the mean number of visitors per day was 9,\r\n" );
document.write( "then n=6.  Check carefully to see what was given that\r\n" );
document.write( "you forgot to tell us about.\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( "

\n" );