Google Charts Histogram Chart Multiple Series

Google Charts Histogram Chart Multiple Series

<html>
   <head>
      <title>Google Charts Tutorial</title>
      <script type = "text/javascript" src = "https://www.gstatic.com/charts/loader.js">
      </script>
      <script type = "text/javascript">
         google.charts.load('current', {packages: ['corechart']});     
      </script>
   </head>

   <body>
      <div id = "container" style = "width: 550px; height: 400px; margin: 0 auto">
      </div>
      <script language = "JavaScript">
         function drawChart() {
            // Define the chart to be drawn.
            var data = google.visualization.arrayToDataTable([
               ['Student Roll No', 'Height', 'Weight'],
               ['1', 80, 40],['2', 55, 30],['3', 68, 34],['4', 80, 40],['5', 54, 27],
               ['6', 70, 35],['7', 85, 42],['8', 78, 40],['9', 70, 35],['10', 58, 28],
               ['11', 90, 45],['12', 65, 33],['13', 88, 50],['14', 82, 41],['15', 65, 30],
               ['16', 86, 43],['17', 45, 30],['18', 62, 30],['19', 84, 42],['20', 75, 40],
               ['21', 82, 41],['22', 75, 40],['23', 58, 30],['24', 70, 35],['25', 85, 40]         
            ]);

            // Set chart options
            var options = {
               title: 'Students Height and Weight',
               legend: { position: 'bottom' }      
            };                  

            // Instantiate and draw the chart.
            var chart = new google.visualization.Histogram(document.getElementById('container'));
            chart.draw(data, options);
         }
         google.charts.setOnLoadCallback(drawChart);
      </script>
   </body>
</html>