title: How to make range bar graphs in gnuplot?
body: <p><a href="https://i.stack.imgur.com/6ywu3.png" rel="nofollow noreferrer">range bar graph</a>
  How can I made a graph like what is shown in the image using gnuplot?
  I want a bar graph where each bar has a maximum and minimum value.
  Is this possible in gnuplot?
  Thank you for your help.</p>