If you need to randomize data in a data range, you can use the "Randomize range" command in Google Sheets. Please note that the data random will happen in the same column.
Step 1: Select the data range you want to randomize;
Step 2: Click the "Data" tab from the ribbon;
Step 3: Click "Randomize range" from the drop-down list;
Step 4: You will see the randomized data.