12 Statistical Operations

:z

DWN

Press

 

 

 

 

 

Descriptive

 

 

 

 

 

 

DWN

 

(y items 2 Vars

 

DWN

 

 

 

 

I

 

 

 

 

 

 

Only)

 

 

 

 

to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

select:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

INPUT

 

 

 

 

 

2 Vars, 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Var, or 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nb Item

 

 

 

 

Freq.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

x Mean

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

y Mean

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

x Std. Dev.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

y Std. Dev.

 

 

 

 

DWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

x Population

 

DWN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

y Population

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S.E. Samp. x

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S.E. Samp. y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Predictions

 

 

 

DWN

(2 Vars Only)

 

 

 

 

 

 

INPUT

Press I to select:

a*x+b

a*Ln(x) +b

b*e(a*x)

b*xa b*ax a/x+b ax2+bx+c*

 

 

 

 

 

Pred x

 

 

 

 

DWN

 

 

 

 

 

 

 

 

 

 

 

 

 

Pred y

a

b

C

(ax2+bx+c only)*

Correlation

(Not ax2+bx+c)*

Covariance

(Not ax2+bx+c)*

Sums

(y items 2 Vars Only)

INPUT

Sigma x

Sigma y

Sigma x2

Sigma y2

Sigma xy

Quartiles*

DWN (y items 2

Vars Only)

INPUT

x Min

x Q1

x Median

x Q3

x Max

DWN

y Min

y Q1

y Median

y Q3

y Max

Figure 1 The Menu Map for the Statistics Menu

*ax2+bx+c and Quartiles do not apply to the HP 20b.

Statistical Operations 69

Page 77
Image 77
HP 30b Professional, 20b Consultant Financial manual Statistical Operations, Ax2+bx+c only

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