title: Simple Excel Chart
body: <p>I have this table in Excel:</p>
  
  <p><a href="https://i.stack.imgur.com/zltoK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zltoK.png" alt="Excel table"></a></p>
  
  <p>and I want to have a line chart with x: CalendarWeek, y: PriceAvg. So I select A1:B5, click on Insert->2-D Line and get this "chart":</p>
  
  <p><a href="https://i.stack.imgur.com/yxr6O.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/yxr6O.png" alt="chart"></a></p>
  
  <p>What is going on here?</p>