document.write( "Question 345162: Please help. Following are the speeds of 40 cars clocked by radar on a particular road in a 35-mph zone on a particular afternoon:
\n" );
document.write( "30, 36, 42, 36, 30, 52, 36, 34, 36, 33, 30, 32, 35, 32, 37, 34, 36, 31, 35, 20,
\n" );
document.write( "24, 46, 23, 31, 32, 45, 34, 37, 28, 40, 34, 38, 40, 52, 31, 33, 15, 27, 36, 40\r
\n" );
document.write( "\n" );
document.write( "A) make a frequency table
\n" );
document.write( "B) a histogram
\n" );
document.write( "c) describe the general shape of the distribution \r
\n" );
document.write( "\n" );
document.write( "Any help with this problem would be appreciated \n" );
document.write( "
Algebra.Com's Answer #246896 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! A)\r \n" ); document.write( "\n" ); document.write( "For each number from 15 (the smallest number here) to 52 (the largest number here), count how many times that number shows up in the given list to make the frequency table shown below. Eg. 36 shows up 6 times. So you'll write \"6\" as the frequency of 36.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Frequency Table:\r \n" ); document.write( "\n" ); document.write( "
\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "B)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Construct the histogram to get\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Here I have 8 groups where each group is 4 units wide (eg: group 1 is 15-19). I've also included the frequency of each group at the top of each bar.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "------------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "C)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The general shape is approximately bell shaped. Notice how we can draw a bell shaped curve over the histogram like so\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " ![]() \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and notice how the shape of the histogram fits that curve \n" ); document.write( " \n" ); document.write( " |