It works on the older, casio fx-95SG plus calculator as well. A low standard deviation means many of the gas stations will have prices close to that price, while a high standard deviation means you would find prices much higher and also much lower than that average price. Hit 3 for the sample standard deviation that we will use in class. Casio FX 115 ES mode button 3 for stat 1 for 1-VAR Enter your data 1, enter, 1, enter, etc shift 1 for stat 5 for Var 3 for population standard deviation or 4 for sample standard deviation.
Press 'Shfit 1' (Go to stat menu). Practice Question Closing Thoughts Here's another question for you to practice. . Next, square the resulting list of numbers (read: multiply them with themselves). Also, having a data-set to analyze makes the job much easier. Lately during the filling cycle water hammer is occurring. Some other things that are good to know with the info we have produced.