Texas Instruments TI-73 EXPLORER Benutzerhandbuch

Chapter 7: Statistical Analyses     

7307ENG.DOC   CH 7, Statistical Analyses, English   Julie Hewlett   Revised: 07/29/98 12:07 PM   Printed: 05/19/99

9:00 AM   Page 133 of 22

 

The -

 

 v

 

The - v 

 menu allows you to calculate statistical

analyses on lists. When you choose an item from the menu, the

calculator returns a list of statistical variables. Following the

 and 

 explanation, a list and definition of all

possible statistical variables is provided.

- v " " "  –o r –

- v !

Calculates 1-variable statistics.

Calculates 2-variable statistics.

Allows user to fit a line manually to

plotted data.

Calculates a Median-Median line for the

plotted data.

Fits a linear model to plotted data.

Fits a quadratic model to plotted data.

Fits an exponential model to plotted data.

 

Using Frequency Lists with -

 

  v

 

 

For all menu items, you can specify a second list, freq, which

is interpreted as the frequency of the elements in the first list.

Each element in freq must be ‚ 0, and at least one element

must be > 0.