Select ColumnsA: C, Insert> Tables - PivotTable, PivotChart and select New Worksheet or Existing Worksheet. Drag Day to the axis (category), Area fields to the legend (series) and AVG(Time) fields to Ξ£ values. If necessary, left-click on the contents of Ξ£ Values ββand select "Field Field Settings" and "Sum".
Right-click on the chart (presumably on the pie) and select the selection chart using Change chart type ...

To remove links to (blank) , restrict input to PT by clicking on PT and PivotTable Tools> Options> Data, Change Data Source.
pnuts source share