title: How to calculate average value for an aggregate field in tableau?
body: <p><a href="https://i.stack.imgur.com/rKgle.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rKgle.png" alt="enter image description here"></a>
  <a href="https://i.stack.imgur.com/rKgle.png" rel="nofollow noreferrer">IMAGE</a></p>
  
  <p>In the given image, how to calculate the average of the Values(mean score) that is already being calculated? The fixed include and exclude options doesn't help.</p>