Use an Excel spreadsheet to generate 10 sets of 10 random numbers from 1 to 10. To do this in Excel, first click on cell A1. Then in cell A1 type = RANDBETWEEN (1,10) and press enter. Finally, pull the square in the right-lower corner of cell A1 down 9 cells and to the right 9 cells. You should have a 10 by 10 grid of randomly generated numbers between 1 and 10.