572
Using Lists & Spreadsheet
Statistical calculations
Performing a statistical calculation
You can perform statistical calculations to analyze data. The following
example fits a y=mx+b linear regression model to two lists.
1. Select the column formula cell (second cell from the top) in column A.
2. From the
Statistics
menu, select
Stat Calculation
, and select
Linear
Regression (mx+b)
to choose the regression model.
The
Linear Regression (mx+b)
dialog box opens and displays fields
for typing or selecting each argument. Because you selected a cell in
advance, the column for
X List
is already filled in with the column
letter of the list with a cell selected.
3. Press
e
to move to the
Y List
box and click the drop-down arrow to
select a named list.
4. To store the regression equation in a specified variable, press
e
and
replace
Save RegEqn To
with the name of the variable.
5. Press
e
as necessary to move to the
1st Result
box and type
c[]
as
the column letter for the first result column.
6. Select
OK
.
Lists & Spreadsheet inserts two columns: one containing the names of
the results, and one containing the corresponding values.
C-Level
The confidence level for the interval instructions.
Must be
|
0 and < 100. If it is
|
1, it is assumed to be
given as a percent and is divided by 100.
Default=0.95.
RegEQ
The prompt for the name of the function where the
calculated regression equation is to be stored.
Input
Description
Summary of Contents for TI-Nspire
Page 38: ...26 Setting up the TI Nspire Navigator Teacher Software ...
Page 46: ...34 Getting started with the TI Nspire Navigator Teacher Software ...
Page 84: ...72 Using the Content Workspace ...
Page 180: ...168 Capturing Screens ...
Page 256: ...244 Embedding documents in web pages ...
Page 336: ...324 Polling students ...
Page 374: ...362 Using the Review Workspace ...
Page 436: ...424 Calculator ...
Page 450: ...438 Using Variables ...
Page 602: ...590 Using Lists Spreadsheet ...
Page 676: ...664 Using Notes You can also change the sample size and restart the sampling ...
Page 684: ...672 Libraries ...
Page 714: ...702 Programming ...
Page 828: ...816 Data Collection and Analysis ...
Page 846: ...834 Regulatory Information ...
Page 848: ...836 ...