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Class notes MATH 3450 Principles of Biostatistics Chapter 11

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This document provides a comprehensive visual guide to performing linear regression analysis using a TI-84 Plus CE graphing calculator. It illustrates the essential workflow of biostatistics by demonstrating how to input raw data, configure statistical plots, and interpret the resulting correlation coefficients and residuals. By comparing various scatter plots, the material teaches students to distinguish between strong and weak linear relationships while identifying potential issues like non-heteroscedasticity or structured patterns in standardized residual plots. Ultimately, these excerpts serve as a practical tutorial for validating the accuracy of a regression model and understanding the mathematical influence of specific data points on the final line of best fit.

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Uploaded on
January 6, 2026
Number of pages
35
Written in
2025/2026
Type
Class notes
Professor(s)
Chowdhury
Contains
All classes

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