Acquisition Lesson Planning Form - Ciclt.net

GO #4A median-median line is a linear regression linethat is found by dividing the data into thirds andfinding the median x- and y-value of each third. Twolines are drawn using the medians. The regressionline lies between these.●●●●●●1. Plot the following points on the grid below: (-1, -1), (2, 2), (0, 1), (3, 4), (-2, -3), (-3, -4)2. Divide the data into thirds. Find the three medians.Median1 = (__,__) Median 2 = (__,__) Median 3 = (__,__)3. Find the median-median line by hand.Median-median Line: y = _____ x + ____4. Now find the median-median line using the following formulay3− y1y + y2+ yMedian-median Line Formula y = ax + b,a = , b =x3− x1Median-median Line: y = _____ x + ____− a( x + x + ) 31 3 1 2xAre they the same? Why or why not? ___________________________________________________________________________________________________________Math 2 Unit 5 Lesson 3 Linear and Quadratic Regression Page 83