i am creating a basic combo chart in excel that shows populations of wolfs and deer over time. my x axis is suppose to be from 1991-2000 however i am unable to change the x axis data. i have tried everything. i tried selecting the data and when i do that the "select data source" box says my horizontal axis lables should be 1991-200 however when i click ok they stay 1-10. please help me i need this for school.