document.write( "Question 1204049: The following data represents the number of repairs conducted in a month by 28 technicians working for a company that services mining equipment:\r
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\n" ); document.write( "\n" ); document.write( "21 50 55 43 31 36 37 44 55 39 70 72
\n" ); document.write( "49 65 51 85 60 57 82 78 29 32 79 56
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\n" ); document.write( "\n" ); document.write( "1.1 From the raw data determine the mean (average) number of repairs.
\n" ); document.write( "1.2 From the raw data determine the modal number of repairs.
\n" ); document.write( "1.3 From the raw data determine the median number of repairs.
\n" ); document.write( "1.4 From the raw data determine the range.
\n" ); document.write( "1.5 Calculate K, the number of classes required to generate a frequency table.
\n" ); document.write( "1.6 Calculate the class width required to generate a frequency table.
\n" ); document.write( "1.7 Group the data into a frequency table using 1.5 and 1.6 above as your
\n" ); document.write( " guidelines.
\n" ); document.write( "1.8 Draw an O GIVE corresponding to the table above. \r
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Algebra.Com's Answer #840054 by mananth(16946)\"\" \"About 
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The following data represents the number of repairs conducted in a month by 28 technicians working for a company that services mining equipment:\r
\n" ); document.write( "\n" ); document.write( "21 +50 +55 +43 +31 +36 +37 +44 +55 +39 +70 +72
\n" ); document.write( "+49 +65 +51 +85 +60 +57 +82 +78 +29 +32 +79 +56
\n" ); document.write( "+43 +89 +45 +68=1521\r
\n" ); document.write( "\n" ); document.write( "1.1 From the raw data determine the mean (average) number of repairs.\r
\n" ); document.write( "\n" ); document.write( "Total / count = 1521/28 = 54.32\r
\n" ); document.write( "\n" ); document.write( "1.2 From the raw data determine the modal number of repairs.\r
\n" ); document.write( "\n" ); document.write( "21, 29, 31, 32, 36, 37, 39, 43, 43, 44, 45, 49, 50, 51, 55, 55, 56, 57, 60, 65, 68, 70, 72, 78, 79, 82, 85, 89\r
\n" ); document.write( "\n" ); document.write( "43, 55\r
\n" ); document.write( "\n" ); document.write( "1.3 From the raw data determine the median number of repairs.
\n" ); document.write( "21, 29, 31, 32, 36, 37, 39, 43, 43, 44, 45, 49, 50, (51, 55), 55, 56, 57, 60, 65, 68, 70, 72, 78, 79, 82, 85, 89
\n" ); document.write( "(51+55)/2 =53\r
\n" ); document.write( "\n" ); document.write( "1.4 From the raw data determine the range.\r
\n" ); document.write( "\n" ); document.write( "89-21=68\r
\n" ); document.write( "\n" ); document.write( "1.5 Calculate K, the number of classes required to generate a frequency table.\r
\n" ); document.write( "\n" ); document.write( "7 classes\r
\n" ); document.write( "\n" ); document.write( "1.6 Calculate the class width required to generate a frequency table.
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\n" ); document.write( "\n" ); document.write( "1.7 Group the data into a frequency table using 1.5 and 1.6 above as your
\n" ); document.write( "guidelines.
\n" ); document.write( "Class interval frequency\r
\n" ); document.write( "\n" ); document.write( "21 - 30 2
\n" ); document.write( "31 - 40 5
\n" ); document.write( "41 - 50 6
\n" ); document.write( "51 - 60 6
\n" ); document.write( "61 - 70 3
\n" ); document.write( "71 - 80 3
\n" ); document.write( "81 - 90 3 \r
\n" ); document.write( "\n" ); document.write( "Total: 28 \r
\n" ); document.write( "\n" ); document.write( "you can use any statistics calculator to get the solutions and draw a graph
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