title: Sampling 30 values and finding standard-deviation + mean
body: <p>I was able to include the recovery or die but now I'm having trouble getting the standard deviation and  of the turtles that died. I think I got the standard deviation but can't get the mean </p>
  
  <pre><code>if random-float 1 &lt; recover-or-die [
    set epi-state recovered-code
    set color green
    ifelse random-float 1 &lt; 0.90[
  
  
    ]
  ]
  </code></pre>
  
  <p>]</p>
  
  <p>I tried this for the mean and it kept saying "Expected Command"</p>