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If you had the time I would recommend using lagrangian interpolation between a few points (maybe 7or 8) to get a curve that fit through most of the general shape of the points. If you want infinite precision for the graph to the points then a like 55 point lagrangian interpolation is going to be hell to try to do by hand and is the only way I ...
A subreddit dedicated to sharing graphs created using the Desmos graphing calculator. Feel free to post demonstrations of interesting mathematical phenomena, questions about what is happening in a graph, or just cool things you've found while playing with the calculator.
A subreddit dedicated to sharing graphs created using the Desmos graphing calculator. Feel free to post demonstrations of interesting mathematical phenomena, questions about what is happening in a graph, or just cool things you've found while playing with the calculator.
A subreddit dedicated to sharing graphs created using the Desmos graphing calculator. Feel free to post demonstrations of interesting mathematical phenomena, questions about what is happening in a graph, or just cool things you've found while playing with the calculator.
Consider a line that passes 1 unit below the second point, and another line that passes 1 unit above the second point. Your method will say that the line below is better, because it's closer to the line of best fit. But that's incorrect - the truth is that they're both equally good, because they're equidistant from the data point.
not sure if i fully understand the answer, but, create a table with x₁ and y₁, fill in the points there, then create the equation y₁~mx₁+b, it'll show the line of best fit, regression, and tell the equation of the line of best fit... for a straight line. There's other versions for quadratic and exponential regression as well.
Finally, students are introduced to the regression line of best fit using Desmos's regression capabilities, and they are asked to demonstrate this ability with additional data sets. The teacher dashboard provides feedback to the teacher as students work through the activity, and students are provided feedback during the activity on their answers.
A subreddit dedicated to sharing graphs created using the Desmos graphing calculator. Feel free to post demonstrations of interesting mathematical phenomena, questions about what is happening in a graph, or just cool things you've found while playing with the graphing program.
This graph plots a linear line of best fit to draggable points, displays the residuals from the LOBF, and calculates Pearson's PMCC. Fully Interactive Resource. Link Below.
A subreddit dedicated to sharing graphs created using the Desmos graphing calculator. Feel free to post demonstrations of interesting mathematical phenomena, questions about what is happening in a graph, or just cool things you've found while playing with the calculator.