I need help!

Thanks!

Please enter the total numbers of value you want to input (between 2 and 10)5 Please enter your data data1 10.12 data 2 11.13 data - 312.45 data - 4 10.57 data- 5:11.78 The mean of the data that you have input is 11.210 Is there a known value? Chit "y" or "y" for yes and any key for no): Y Please enter the known value: 12.02 The percent error is 6.739% Do you want to input another set of data? (hit "Y" or "y" for yes and any key for no): N