document.write( "Question 145891This question is from textbook
\n" );
document.write( ": What do you think about this px? Can you help me on this?\r
\n" );
document.write( "\n" );
document.write( "2. (5 pts)
\n" );
document.write( "Construct a frequency distribution of the ages that 25 randomly selected smokers started smoking:
\n" );
document.write( "26 26 25 17 16 16 14 17 21 16
\n" );
document.write( "16 18 17 15 15 19 16 17 22 15
\n" );
document.write( "19 17 16 27 16
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #106492 by Edwin McCravy(20055)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "26 26 25 17 16 16 14 17 21 16\r\n" ); document.write( "16 18 17 15 15 19 16 17 22 15\r\n" ); document.write( "19 17 16 27 16\r\n" ); document.write( "\r\n" ); document.write( "The smallest number is 14 and the largest is 27.\r\n" ); document.write( "\r\n" ); document.write( "Count the 14's. There is only 1. So the frequency of 14 is 1. \r\n" ); document.write( "Count the 15's. There are 3. So the frequency of 15 is 3.\r\n" ); document.write( "Count the 16's. There are 7. So the frequency of 16 is 7.\r\n" ); document.write( "Count the 17's. There are 5. So the frequency of 17 is 5.\r\n" ); document.write( "Count the 18's. There is only 1. So the frequency of 18 is 1.\r\n" ); document.write( "Count the 19's. There are 2. So the frequency of 19 is 2.\r\n" ); document.write( "Count the 20's. There aren't any. So the frequency of 20 is 0.\r\n" ); document.write( "Count the 21's. There is only 1. So the frequency of 21 is 1.\r\n" ); document.write( "Count the 22's. There is only 1. So the frequency of 22 is 1.\r\n" ); document.write( "Count the 23's. There aren't any. So the frequency of 23 is 0.\r\n" ); document.write( "Count the 24's. There aren't any. So the frequency of 24 is 0.\r\n" ); document.write( "Count the 25's. There is only 1. So the frequency of 25 is 1.\r\n" ); document.write( "Count the 26's. There are 2. So the frequency of 26 is 2.\r\n" ); document.write( "Count the 27's. There is only 1. So the frequency of 27 is 1.\r\n" ); document.write( "\r\n" ); document.write( "So all you do is list the values under a column labeled X,\r\n" ); document.write( "and their frequencies in a column beside it labeled f:\r\n" ); document.write( "\r\n" ); document.write( "X f\r\n" ); document.write( "14 1\r\n" ); document.write( "15 3\r\n" ); document.write( "16 7\r\n" ); document.write( "17 5\r\n" ); document.write( "18 1\r\n" ); document.write( "19 2\r\n" ); document.write( "20 0\r\n" ); document.write( "21 1\r\n" ); document.write( "22 1\r\n" ); document.write( "23 0\r\n" ); document.write( "24 0\r\n" ); document.write( "25 1\r\n" ); document.write( "26 2\r\n" ); document.write( "27 1\r\n" ); document.write( " ----\r\n" ); document.write( " 25\r\n" ); document.write( "\r\n" ); document.write( "Notice that I added up the second column, the column\r\n" ); document.write( "of frequencies to make sure I had counted all 25 numbers \r\n" ); document.write( "in the given data.\r\n" ); document.write( "\r\n" ); document.write( "Here is the histogram:\r\n" ); document.write( "\r\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |