20070201
k Displaying the Calculation Results of a Drawn Single-Variable Graph
Single-variable statistics can be expressed as both graphs and parameter values. When
these graphs are displayed, the single-variable calculation results appear as shown below
when you press 1 (1VAR).
• Use c to scroll the list so you can view the items that run off the bottom of the screen.
The following describes the meaning of each of the parameters.
¯ x .............. mean
Σ
x ............ sum
Σ
x
2
.......... sum of squares
x σ n .......... population standard deviation
x σ n –1 ........ sample standard deviation
n ..............number of data items
minX ........minimum
Q1 ............ fi rst quartile
Med.......... median
Q3 ............ third quartile
maxX ....... maximum
Mod.......... mode
Mod :
n ....number of data mode items
Mod : F ....data mode frequency
• Press 6 (DRAW) to return to the original single-variable statistical graph.
6-2-4
Calculating and Graphing Single-Variable Statistical Data
# When Mod has multiple solutions, they are all
displayed.
