Casio fx-82CW User Manual page 68

– [Statistics] > [Regression] > [r]
• To select a different regression type, press
Reg Type]. This displays the regression type menu from step 2.
To display the 2-Var Results screen from a statistical calculation
screen
Press and then select [2-Var Results].
To display the Reg Results screen from a statistical calculation
screen
Press and then select [Reg Results].
List of Statistical Value Variables and Statistical Calculation
Functions
You can use the CATALOG menu to recall variables representing
statistical values and functions used for statistical calculations.
Note
• For single-variable statistical calculations, the variables marked with an asterisk (*) are
available.
• For the calculation formula used for each variable and command, see
Calculation Formula" (page
– [Statistics] > [Summation]
Σx*, Σy ...... sum of the sample data
2 2
Σx *, Σy ...... sum of squares of the sample data
Σxy ...... sum of products of the x-data and y-data
3
Σx ...... sum of cubes of the x-data
2
Σx y ...... sum of (x-data squares × y-data)
4
Σx ...... sum of biquadrate of the x-data
– [Statistics] > [Mean/Var/Dev ... ]
x*, y ...... mean
2 2
σ *, σ ...... population variance
x y
σ *, σ ...... population standard deviation
x y
2 2
s *, s ...... sample variance
x y
s *, s ...... sample standard deviation
x y
n* ...... number of items
– [Statistics] > [Min/Max/Quartile] (Single-Variable Data Only)
69).
67
and then select [Select
"Statistical