document.write( "Question 332585: the heights (in inches) of 30 adult males are listed below. Construct a frequency distribution using five classes. \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "70 72 71 70 69 73 69 68 70 71
\n" ); document.write( "67 71 70 74 69 68 71 71 71 72
\n" ); document.write( "69 71 68 67 73 74 70 71 69 68 \n" ); document.write( "
Algebra.Com's Answer #238358 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
the heights (in inches) of 30 adult males are listed below. Construct a frequency distribution using five classes.
\n" ); document.write( " write the word or phrase that best completes the statement.
\n" ); document.write( "
\r\n" );
document.write( "70 72 71 70 69 73 69 68 70 71 \r\n" );
document.write( "67 71 70 74 69 68 71 71 71 72 \r\n" );
document.write( "69 71 68 67 73 74 70 71 69 68\r\n" );
document.write( "\r\n" );
document.write( "The smallest value is 67 and the largest value is 74.\r\n" );
document.write( "\r\n" );
document.write( "Subtract them:\r\n" );
document.write( "\r\n" );
document.write( "74 - 67 = 7\r\n" );
document.write( "\r\n" );
document.write( "Divide by 5, the number of classes:\r\n" );
document.write( "\r\n" );
document.write( "  1.5\r\n" );
document.write( "5)7\r\n" );
document.write( "  5\r\n" );
document.write( "  26\r\n" );
document.write( "  25\r\n" );
document.write( "   1\r\n" );
document.write( "\r\n" );
document.write( "Round up to 2, the width of the class.\r\n" );
document.write( "\r\n" );
document.write( "Subtract .5 from smallest value as the beginning\r\n" );
document.write( "of the smallest class, get 66.5, draw a line,\r\n" );
document.write( "add 2, getting 68.5 write that down on the right \r\n" );
document.write( "of the line: \r\n" );
document.write( "\r\n" );
document.write( "66.5---68.1\r\n" );
document.write( "\r\n" );
document.write( "Begin the next line with the value on the right,\r\n" );
document.write( "draw a line, add 2, getting 70.1.  Write that\r\n" );
document.write( "down on the right of the line. So now you have:\r\n" );
document.write( "\r\n" );
document.write( "66.5---68.1\r\n" );
document.write( "68.1---70.1\r\n" );
document.write( "\r\n" );
document.write( "Continue until you have this:\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "66.5---68.5   \r\n" );
document.write( "68.5---70.5   \r\n" );
document.write( "70.5---72.5  \r\n" );
document.write( "72.5---74.5   \r\n" );
document.write( "74.5---76.5   \r\n" );
document.write( "\r\n" );
document.write( "Label that column CLASS and beside it\r\n" );
document.write( "label another column FREQUENCY, and in that\r\n" );
document.write( "column list how many you count that are in \r\n" );
document.write( "each class:\r\n" );
document.write( "\r\n" );
document.write( "  CLASS      FREQUENCY\r\n" );
document.write( "66.5---68.5      6\r\n" );
document.write( "68.5---70.5     10 \r\n" );
document.write( "70.5---72.5     10\r\n" );
document.write( "72.5---74.5      4\r\n" );
document.write( "74.5---76.5      0\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );