var data = [
79, 54, 74, 62, 85, 55, 88, 85, 51, 85, 54, 84, 78, 47, 83, 52, 62, 84, 52, 79, 51, 47, 78, 69, 74, 83, 55, 76, 78, 79, 73, 77, 66, 80, 74, 52, 48, 80, 59, 90, 80, 58, 84, 58, 73, 83, 64, 53,
82, 59, 75, 90, 54, 80, 54, 83, 71, 64, 77, 81, 59, 84, 48, 82, 60, 92, 78, 78, 65, 73, 82, 56, 79, 71, 62, 76, 60, 78, 76, 83, 75, 82, 70, 65, 73, 88, 76, 80, 48, 86, 60, 90, 50, 78, 63, 72,
84, 75, 51, 82, 62, 88, 49, 83, 81, 47, 84, 52, 86, 81, 75, 59, 89, 79, 59, 81, 50, 85, 59, 87, 53, 69, 77, 56, 88, 81, 45, 82, 55, 90, 45, 83, 56, 89, 46, 82, 51, 86, 53, 79, 81, 60, 82, 77,
76, 59, 80, 49, 96, 53, 77, 77, 65, 81, 71, 70, 81, 93, 53, 89, 45, 86, 58, 78, 66, 76, 63, 88, 52, 93, 49, 57, 77, 68, 81, 81, 73, 50, 85, 74, 55, 77, 83, 83, 51, 78, 84, 46, 83, 55, 81, 57,
76, 84, 77, 81, 87, 77, 51, 78, 60, 82, 91, 53, 78, 46, 77, 84, 49, 83, 71, 80, 49, 75, 64, 76, 53, 94, 55, 76, 50, 82, 54, 75, 78, 79, 78, 78, 70, 79, 70, 54, 86, 50, 90, 54, 54, 77, 79, 64,
75, 47, 86, 63, 85, 82, 57, 82, 67, 74, 54, 83, 73, 73, 88, 80, 71, 83, 56, 79, 78, 84, 58, 83, 43, 60, 75, 81, 46, 90, 46, 74
];
var width = 952;
var height = 476;
var x = d3.scaleLinear().domain([30, 110]).range([0, width]);
var bins = d3.histogram().domain(x.domain()).thresholds(x.ticks(30))(data);
var max = d3.max(bins, function(d) {
return d.y;
});
var y = d3.scaleLinear().domain([0, .1]).range([0, height]);
var yForHistogram = d3.scaleLinear()
.domain([0, d3.max(bins, function(d) {
return d.length;
})])
.range([height, 0]);
var vis = d3.select("body")
.append("svg")
.attr("width", width)
.attr("height", height);
var bars = vis.selectAll("g.bar")
.data(bins)
.enter().append("g")
.attr("class", "bar")
.attr("transform", function(d) {
return "translate(" + x(d.x0) + "," + yForHistogram(d.length) + ")";
});
bars.append("rect")
.attr("fill", "steelblue")
.attr("width", x(bins[0].x1) - x(bins[0].x0) - 1)
.attr("height", function(d) {
return height - yForHistogram(d.length);
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.12.0/d3.min.js"></script>
