5) Press [GRAPH] to graph the data and the quadratic regression equation. 6) If the graphs are not displayed, press [ZOOM][9] to perform a ZoomStat. Please see the TI-84 Plus C Silver Edition guidebook for additional information.. Solution 11931: Calculating and Graphing Quadratic Regressions on the TI-83 Plus. How do I calculate and graph a quadratic regression using on the TI-83 Plus? The example below will demonstrate how to calculate and graph a quadratic regression: Data for this example: To enter the data: 1) Press [STAT] [1] to access the STAT list editor.
Example: Quadratic Regression on a TI-84 Calculator. Suppose we are interested in understanding the relationship between number of hours worked and happiness. We have the following data on the number of hours worked per week and the reported happiness level (on a scale of 0-100) for 11 different people: Use the following steps to perform a.. Regression modeling is the process of finding a function that approximates the relationship between the two variables in two data lists. The table shows the types of regression models the TI-84 Plus calculator can compute.