L-potato

scales: {            yAxes: [{                ticks: {                                    max:200,                    min:30                                }            }]
          

L-potato

<script>
var ctx = document.getElementById("myChart");
var myChart = new Chart(ctx, {
//グラフのタイプ指定
    type: 'bar',
    data: {
        labels: ["シーズン1", "シーズン2", "シーズン3", "シーズン4", "シーズン5", "シーズン6"],
        datasets: [{
            label: '満足度',
            data: [90, 95, 80, 92, 100, 28],

L-potato

<p>
<canvas id="myChart" width="600" height="400"></canvas>
</p>

L-potato

<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.3.0/Chart.bundle.js"></script>