This activity is also part of one or more other Books. Modifications will be visible in all these Books. Do you want to modify the original activity or create your own copy for this Book instead?
This activity was created by '{$1}'. Do you want to modify the original activity or create your own copy instead?
This activity was created by '{$1}' and you lack the permission to edit it. Do you want to create your own copy instead and add it to the book?
Finding Equations of LSRL: Old School
Study the table in the spreadsheet. Solving the system of equations (in row 7) for m and b is how
they used to find the equations of least square regression lines. Why does this work?