<div id="app">
  <textarea v-model="numbers" name="numbers" id="numbers" cols="30" rows="10"></textarea>
  <button @click="calculate">calculate</button>
  <ul>
    <li>Count<input disabled v-model="inputs" type="text"></li>
    <li>Mean<input disabled v-model="mean" type="text"></li>
    <li>Standard Deviation (SD)<input disabled v-model="sd" type="text"></li>
    <li>Population Standard Deviation (PSD)<input disabled v-model="psd" type="text"></li>
    <li>Variance (SD)<input disabled v-model="vsd" type="text"></li>
    <li>Variance (PSD)<input disabled v-model="vpsd" type="text"></li>
  </ul>
</div>