Texas Instruments Titanium TI-89 User Manual

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Statistics and Data Plots
Statistics and Data Plots Statistics and Data Plots
Statistics and Data Plots
Based on a sample of seven cities, enter data that relates population to the number of
buildings with more than 12 stories. Using Median-Median and linear regression
calculations, find and plot equations to fit the data. For each regression equation, predict
how many buildings of more than 12 stories you would expect in a city of 300,000
people.
Steps and keystrokes Display
1. Display the MODE dialog box. For Graph
mode, select
FUNCTION.
Press 3 B 1 ¸
2. Use•O to display the
Data/Matrix
Editor
. Create a new data variable named
BUILD.
Press 3 D D BUILD ¸ ¸

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)