Education Technology

Science TODAY™ - The USA's Expanding Weight Problem

Published on 03/11/2005

Activity Overview

This activity reveals the incidence of obesity in the United States. Students will analyze "The USA's expanding weight problem" and other data to construct a graph, analyze the trends in the data, and make predictions about the future.

Key Steps

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    Data from 1997 to 2003 on the percentage of obese U.S. adults over 20 is analyzed.









    Note: TODAY is a trademark of USA TODAY, a division of Gannett Co., Inc.

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    Students graph the data and fit a linear regression to the data to be able to predict a future value.









    Note: TODAY is a trademark of USA TODAY, a division of Gannett Co., Inc.