Statistics 2Var app
89
Delete data
•
To delete a single data item, highlight it and press
C
. The values below the deleted cell will scroll up
one row.
•
To delete a column of data, highlight an entry in that
column and press
S
CLEAR
. Select the column
name.
•
To delete all columns of data, press
S
CLEAR
.
Select
All columns
.
Insert data
Highlight the entry
following
the point of insertion. Press
, then enter a number. It will write over the zero that
was inserted.
Sort data values
1. In Numeric view, highlight the column you want to
sort, and press
.
2. Specify the Sort Order. You can choose either
Ascending
or
Descending
.
3. Specify the
INDEPENDENT
,
DEPENDENT
, and (if
applicable) the
FREQUENCY
data columns. Sorting is
by the
independent
column. For instance, if Age is
C1
and Income is
C2
and you want to sort by Income,
then you make
C2
the independent column for the
sorting and
C1
the dependent column.
–
To sort just one column, choose None for the
dependent column.
–
For one-variable statistics with two data columns,
specify the frequency column as the dependent
column.
4. Press .
Defining a regression model
The Symbolic view includes an expression (Fit1 through
Fit5) that defines the regression model, or “fit”, to use for
the regression analysis of each two-variable data set.
There are three ways to select a regression model:
Summary of Contents for 39gII
Page 1: ...HP 39gII graphing calculator user s guide Edition1 Part Number NW249 90001 ...
Page 2: ...Printing History Edition 1 November 201 1 ...
Page 32: ...22 Getting started ...
Page 58: ...48 Apps and their views ...
Page 70: ...60 Function app ...
Page 80: ...70 Solve app ...
Page 136: ...126 Polar app ...
Page 140: ...130 Sequence app ...
Page 148: ...138 Finance app ...
Page 152: ...142 Linear Solver app ...
Page 218: ...208 Matrices ...
Page 226: ...216 Notes and Info ...
Page 238: ...228 Variables and memory management ...
Page 318: ...308 Programming ...
Page 340: ...330 Reference information ...
Page 346: ...vi Product Regulatory Information ...