title: How to calculate the standard deviation and mean of each series in a list
body: <p><a href="https://i.stack.imgur.com/YrA3B.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YrA3B.png" alt="enter image description here"></a></p>
  
  <p>How to  calculate the standard deviation and mean of each series in a list shown above.</p>