HP 48G Series User Manual

Step 3: Enter the target value for CPI (z-variable) and predict the
PPI value (y-variable) using the best- fitting model. Note
that the HP 48 determined that an Exponent ial model
has the best fit (i.e the highest correlation coefficient of any
of the four en
a % PREDICT VALUES 358
aT: [[ 9.1 9.2 1]
¥-coL: 1 y-coL: 2
os Exponent § ia
ENTER DEP VALUE OF PRESS
Si I EE
Step 4: Put the computed regression model, along with the
correlation coefficient and covariance, onto the stack.
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3: '1,2346138924+ERXPL..
2: Correlation: .987%.
1: Covariance:
1.21332685264
MECTR[ MATE] LIST HYP REAL [EASE
7-10 Calculus, Statistics and Advanced Mathematics

HP 48G Series Specifications

General

Model	HP 48G Series
Type	Graphing Calculator
Display Type	LCD
Display Size	131x64 pixels
Programming Language	RPL (Reverse Polish Lisp)
Memory	32 KB RAM
Processor	Saturn
Power Supply	3x AAA batteries
Connectivity	Infrared (IR)