fresh block ps 33

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<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
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<body>
  <h1>Please look in the code below for 4 JavaScript practice problems.</h1>
  <p>(These problems don't include any SVG manipulation, so you will need to open the developer console in order to see the output of your code)</p>
  <script>

states = [{name: "Alaska", id: "AK", population: 741894},
            {name: "Virginia", id: "VA", population: 8411808},
    				{name: "Arizona", id: "AZ", population: 6931071},
            {name: "Florida", id: "FL", population: 20984400}]
            
  // Problem 1: using d3.mean(), compute and print the average (mean) 
  // population of the states in the states array
  
  var population_mean = d3.mean(states,function(i){
    return i.population;
  });
    console.log(population_mean);
  //states.forEach(function(s){
    //console.log (d3.mean(s.population))
    //return(s.population.d3.mean)
  //})
  //console.log.d3.mean(states.population)
  
  // Problem 2: WITHOUT using d3.mean(), compute and print the average (mean) 
  // population of the states in the states array
    
    var average =0;
   //console.log(states.length); 
    for (i =0; i < states.length; i++){
      average += states[i].population;
    }
      average = average/states.length
      console.log("solution 2", average);

</script>
</body>

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