When we created the frequency table we ticked the check box to obtain a chart output:
I find the way Excel puts the 'Bin' values below the bars of the histogram confusing. Pass your mouse over the image to see how I prefer it.
Make sure the chart is selected, right click on it to show the popup menu and left click on 'Select Data':
In the panel that appears select the 'Edit' button under 'Horizontal (Category) Axis Labels' and select the range that shows the preferred values: