174
CHAPTER 7
for US
®
®
16 Y’ Find the estimated value of Y when a value X was given by comply-
ing to the function found using the regression formula.
Entry: AY’ (numerical values or list are entered in A. Multiple solu-
tions can be obtained at the same time of inputting list.)
<Example 9> Data from example 8 are entered. Here we will find the
estimated value for Y given “X= 80, 100”.
Key operation:
Ï
80
,
100
Ï
D16
15 X’ Find the estimated value of X when a value Y was given by comply-
ing to the function found using the regression formula.
Entry: AX’ (numerical values or list are entered in A. Multiple solutions
can be obtained at the same time of inputting list.)
<Example 8> when the following is entered as statistical data.
Find estimated value of x given “y=140”.
Key operation:
140
D15
,
Function name Description Regression formula Parameter
EL-9650-(07)En (157-177) 8/1/00, 9:06 AM174
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