Question about Casio FX-115ES Scientific Calculator
I assume you know the theory. I will only show you the key strokes for 1-Var statistics.
Press [MODE] [1:1-VAR]. You are ready to enter values in the X column.
Enter a number and press [=]. Cursor jumps to second number to enter.
Keep entering numbers and pressing [=] till all numbers are in. Press the [=] key after the last one.
Press [AC] key to clear the screen.
Press [SHIFT] [STAT] (above digit 1.) then [5:Var]. Screen displays the statistical variables 1:n ;2: x bar; 3: x sigma n; 4:x sigma n-1.
Press the number corresponding to the variable you want, ex 1:n . The variable appears on screen. Press [=] and it will be displayed.
To display another variable press [SHIFT][STAT][5:Var][ 1,2, 3, or 4] .
The key stokes are similar for 2-Var statistics, except that you will have more statistical variables to choose from whwn you press [SHIFT][STAT][5:Var]. As I assumed above, you should be able to recognize what each variable means.
Hope it helps.
Posted on Oct 04, 2009
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Posted on Jan 02, 2017
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