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Spreadsheets, Graphing Calculators and the Line of Best Fit

Author(s): O'Sullivan, B.

Journal: Spreadsheets in Education
ISSN 1448-6156

Volume: 1;
Issue: 1;
Date: 2003;
Original page

One technique that can now be done, almost mindlessly, is the “line of best fit”. Both the graphing calculator and the Excel spreadsheet produce models for collected data that appear to be very good fits, but upon closer scrutiny, are revealed to be quite poor. This article will examine one such case.

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