Format the data on the Sales Data worksheet as a table using the White, Table Style Medium $1$ table style:

Select any cell in the data.

On the Home tab, in the Styles group, click the Format as Table button to display the Table Styles gallery.

Click the White, Table Style Medium $1$ Quick Style. It is the first option in the Medium section of the gallery.

Verify that the My table has headers check box is checked and that the correct data range is selected.