Statistical Operations - HP 30b - Business Professional Calculator User Manual

12

Statistical Operations

:z
Descriptive
Press DWN
(y items 2 Vars
I
to
select:
2 Vars, 1
Var, or 1
Nb Item
Freq.
x
y Std. Dev.
DWN
x
Population
y Population
S.E. Samp.
S.E. Samp. y
2
*ax
+bx+c
and Quartiles do not apply to the HP 20b.
DWN
Only)
INPUT
Press
x
Mean
y Mean
Std. Dev.
DWN
x
(ax
(Not
(Not
Figure 1 The Menu Map for the Statistics Menu
DWN
Predictions
DWN
(2 Vars Only)
INPUT
I
to select:
a*x+b
a*Ln(x) +b
(a*x)
b*e
a
b*x
x
b*a
a/x+b
ax 2 +bx+c*
DWN
x
Pred
Pred y
a
b
C
2
+bx+c only)*
Correlation
2
ax +bx+c
)*
Covariance
2
ax +bx+c
)*
Sums Quartiles*
DWN
(y items 2 (y items 2
Vars Only) Vars Only)
INPUT
INPUT
x
x
Sigma
x
Sigma y
x x
Sigma Median
2
x
Sigma y 2
x
x
Sigma
y
DWN
y Min
y Q1
y Median
y Q3
y Max
Statistical Operations
Min
Q1
Q3
Max
69