TI-84 Evo: Standard Deviation (Sample and Population, 4 Keystrokes)

Standard deviation on the TI-84 Evo in four keystrokes: enter your data in L1, run 1-Var Stats, and read Sx (sample) and σx (population) from the same screen. Example data: 5, 22, 15, 12, 13, 16, 23. TI-84 Evo Manual app: https://apps.apple.com/app/id6806336270 Taculator 84 graphing calculator: https://apps.apple.com/app/id1457737367 TI-84 Evo guidebook on Amazon: https://a.co/d/0a51ypDk Website: https://taculator.com