please help me fill out the period expected value and percentage error

JEE AaBbCcDdEE AaBbCcDd E Normal No Spacing Heading 1 Styles Dictate Pane ata Table Table 1. Rotational Data Radius (m) Time per 15 Expected Percent revolutions (s) Period (s) Value Error (%) 0.25 6.97 0.40 9.10 0.15 3.89 st-Lab Questions Compare your measured data to your predicted values with a percent error calculation. Explain any differences with an error analysis