136
Chapter 8: Statistics & Regression Calculations
11 x’
value
or
list x’
Finds the estimated value of x for a given value of y by applying
the function determined by the regression.
Example
When the following is entered as statistical data:
x
10
20
30
40
50
y
20
40
60
80
100
Find estimated value of x given
y = 140
.
1. Enter the above data into L1 (x) and
L2 (y) and execute regression menu
02,
ax+b
(L1, L2).
2. Press
#
140
S
D
1
1
E
.
12 y’
value
or
list y’
Find the estimated value of y for a given value of x by applying
the function determined by the regression formula.
Example
Using above data, find the estimated value for y given
x = 80
,
100
.
1. Press
#
@
{
80
,
100
@
}
S
D
1
2
E
.
•
11 x’
and
12 y’
will be valid after
executing a regression calculation
excluding 2nd degree polynomial
regressions.
