HELP PLEASE DUE NOW!! Does a line of best fit need to go through at least one point for there to be a correlation Also if a line can go through the points on a scatter plot is there correlation???

For a line of best fit, it doesn't nessesarily have to land on a point, it just has to be in between them or on them whichever way you choose to do it. And also your second question, yes it is correlation if it lines up with the line and not somewhere else or if there are so many dots that they don't really form a line then it isn't a correlation.

Hope this helps!

yes the total will be same because in both of them the expression.is rearranged but their sign remains the same hence it hss just been shuffled