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192
EOX
Function:
Obtains the estimated value of x for a value of y given as the
argument in the
Parameter:
Explanation:
EOX(y) = 454
7-5
Statistic Functions
Argument
®
Numeric expression
EOY
Function:
Obtains the estimated value of y for x a value of given as the argument in the
paired variable statistics of (x , y).
Parameter:
Argument:
Numeric expression giving the value of x.
Explanation:
1) Obtains the estimated value of y for the value of x according to the linear
regression expression y =a + bx in the paired variable statistics of (x , y).
EQY(2)
=atb«x
2) The values of linear regression constant term @ and linear regression coeffi-
cient b are determined by the statistical data.
3) Input value x is with the range of xl < 10'°° and the estimated value of y is
with the range of [EOY(x)I < 10!°°.
4) As a rule, the argument is enclosed in parenthesis but the parenthesis can be
omitted if the argument is a variable or a numeric value.
193
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