need help with grade 12 data management
Hi. I have two questions"
1) Given the following coefficients of correlation, state what percent of variation in y is due to the variation in x.
A) r=0.41 b)r=-0.93 c)r=-1.0
How would I do a question like this?
2) given the chart:
find the equation of the line of best fit. How did you do this?
*I have no clue how to find the equation. I am so confused.
Thanks in advance for any help, I greatly appreciate it.