Statistics and data plots – 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 ¸ ¸