Final answer:
The keyboard shortcut that allows you to see a total for all four names lists is Ctrl + 4.
Step-by-step explanation:
The keyboard shortcut that allows you to see a total for all four names lists is Ctrl + 4. To use this shortcut, you first need to put the data into lists L₁, L2, L3, and L4. Then, press STAT and arrow over to TESTS. Arrow down to F: ANOVA. Press ENTER and enter (L1, L2, L3, L4).