Data Analysis

What is a Residual – This screencast describes the meaning of a residual.
Interpreting the Correlation Coefficient–This screencast explains the meaning of a correlation coefficient
Calculating the Residual – This is a sample problem on calculating a residual given the equation of a best-fit line and an actual data point (section 2.3 ex 1b)–
Data Analysis Part 1 – Creating a Scatter Plot – This screencast demonstrates how to create a scatter plot using MS Excel.
Data Analysis Part 2 – This screencast demonstrates how to generate a trend line using MS Excel.
Data Analysis Part 3–Generating the Predicted Value – This screencast demonstrates how to generate predicted values using MS Excel.
Data Analysis Part 4 – Generating the Residual Value – This screencast demonstrates how to generate residual values using MS Excel.
Data Analysis Part 5 – Generating a Residual Plot – This screencast demonstrates how to generate a residual plot using MS Excel.
Data Analysis Part 6 – % Error of Residuals – This screencast demonstrates how to generate % error of residuals using MS Excel

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