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More Lessons for NYSED Regents Exam

Math Worksheets

High School Math based on the topics required for the Regents Exam conducted by NYSED.

**Linear Regression & Correlation Coefficient by Calculator**

How to compute the linear regression equation, y=ax+b, the linear correlation coefficient, r, and the coefficient of determination, r^{2}, using the TI-84 calculator, including turning the diagnostics on.
**Ti 83/84: Linear Regression & Correlation Coefficient**

Linear Regression, r and r^{2} This video demonstrates how to generate the least squares regression line for a set of (x, y) data, how to make a scatter plot of the data with the line shown, and how to predict values of y using the regression line on the Ti-83/84 series graphing calculator.

**Showing R value on TI-84**

The TI-84 can display an R-value when fitting a regression line (best fit line) to data. The R-value is a numerical way of determining how closely the regression line fits the plotted data. The closer the R-value is to +/-1, the better it fits the data.

More Lessons for NYSED Regents Exam

Math Worksheets

High School Math based on the topics required for the Regents Exam conducted by NYSED.

How to compute the linear regression equation, y=ax+b, the linear correlation coefficient, r, and the coefficient of determination, r

Linear Regression, r and r

The TI-84 can display an R-value when fitting a regression line (best fit line) to data. The R-value is a numerical way of determining how closely the regression line fits the plotted data. The closer the R-value is to +/-1, the better it fits the data.

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