HP 48G Series

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.
£ HOME }
3: '1,2346138924+ERXPL..
2: Correlation: .987%.
1: Covariance:
1.21332685264
MECTR[ MATE] LIST HYP REAL [EASE
7-10 Calculus, Statistics and Advanced Mathematics