Activities

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Alignment
- Standards Alignment
- Textbook Alignment
Subject Area
- Math: Statistics: Describing Bivariate Data
Author

Texas Instruments
Level

9-12
Activity Time

45 Minutes
Device
- TI-Nspire™ CX/CX II
- TI-Nspire™ CX CAS/CX II CAS
- TI-Nspire™ Navigator™
- TI-Nspire™
- TI-Nspire™ CAS
Software

TI-Nspire™
TI-Nspire™ CAS
TI-Nspire Version

3.0
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Tootsie Pops & Hand Span

Activity Overview

Students will collect data, find the linear regression model of the data, and address aspects of the data that affect regression.

Objectives

Students will:

decide on data collection methodology and collect data.
plot data on a scatter plot.
find and interpret the correlation coefficient, coefficient of determination, and the equation of the least-squares regression line.
add the least-squares regression line to their scatter plot and make a residual plot.
identify outliers and influential points.
use their model to make predictions.
discuss sources of error in the data collection, and discuss causation.

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Lesson Files

Alignment

Subject Area

Author

Level

Activity Time

Device

Software

TI-Nspire Version

Other Materials

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Activity Overview

Objectives

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