IQ Distribution Mean/SD Slider

IQ Distribution with Mean and Standard Deviation Sliders

<!DOCTYPE html>
<meta charset="utf-8">
<style>
body {
        font: 10px sans-serif;
    }
    .axis path,
    .axis line {
        fill: none;
        stroke: #000;
        shape-rendering: crispEdges;
    }
    .line {
        fill: none;
        stroke: steelblue;
        stroke-width: 1.5px;
    }
    
    .area {
      fill: red; 
    }
    
    .label {
      fill: red;
    }
  
  .mean-label {
    font-weight: bold;
    font-size: 12px;
  }
  
  .mean-container {
    width: 165px;
    padding-left: 413px;
  }
</style>
<div class='mean-container'>
<input id='mean' type='range' min='90' max='110' value='100'>
<br/>
</div>

//setting up empty data array
var data = [];
var dataBelowCutoff = [];
var cutoffCdf = 0;
var mean;
var sd = 15;
  
getData(); // popuate data

// line chart based on https://bl.ocks.org/mbostock/3883245
var margin = {
        top: 20,
        right: 20,
        bottom: 30,
        left: 50
    },
    width = 960 - margin.left - margin.right,
    height = 400 - margin.top - margin.bottom;

var x = d3.scaleLinear()
    .range([0, width]);

var y = d3.scaleLinear()
    .range([height, 0]);

var xAxis = d3.axisBottom()
    .scale(x);

var yAxis = d3.axisLeft()
    .scale(y);

var line = d3.line()
    .x(function(d) {
        return x(d.q);
    })
    .y(function(d) {
        return y(d.p);
    });
var svg = d3.select("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

x.domain([40, 160]);
y.domain(d3.extent(data, function(d) {
    return d.p;
}));

svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);

svg.append("g")
    .attr("class", "y axis")
    .call(yAxis);
    
var path = svg.append("path")
    .datum(data)
    .attr("class", "line")
    .attr("d", line);

var meanLabel = svg.append('text')
	.attr('class', 'mean-label')
	.attr('y', -10)
	.attr('text-anchor', 'middle');

update();
  
function update() {
  path.datum(data).attr("d", line);
  
  meanLabel
  	.attr('x', x(mean))
  	.text(mean);
}

d3.select('#mean').on('input', function() {
	getData();
  update();
});

https://d3js.org/d3.v4.min.js

https://cdn.jsdelivr.net/jstat/latest/jstat.min.js