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132 10: Running Total and Statistics
File name : 17BII-Plus-Manual-E-PRINT-030709 Print data : 2003/7/11
Table 10-3. FRCST Menu Labels
Menu Label Description
list name for x-variable
list name for y-variable
These specify the two lists of data to be
compared. Also used for estimations:store
x and estimate y, or vice-versa.
˜
is
the menu label for an unnamed current list.
™
*
Calculates the correlation coefficient, a
number between －1 and ＋1 that
measures how closely the x,y data points
match the calculated curve.
š
*
Calculates M. For the linear model, this is
the slope.
Calculates B. For the linear model, this is
the y-intercept.
›
*
)
œ
Displays a choice of the four curve-fitting
models:
•
,
H
,
I
, and
ž
.
Ÿ
!
Calculates the weighted mean of the
x-values using the weights in the y-list.
!
Calculates the standard deviation of a set
of x-values grouped by frequencies
specified in the y-list.
The number of items in either list.
¡
!
)
¢
!
Sum of items in x-list.
£
!
Sum of items in y-list.
¤
!
Sum of squares of items in x-list.
¥
!
Sum of squares of items in y-list.
¦
!
Sum of products of items in x- and y-lists.
*
For the non-linear models, the calculation uses the transformed data values.