Mean is 10
Because add them all up then divide by how many numbers there are
3) x=-6
4) c=5
hope this helped
Answer:
These points are hard to graph, so I have a website that you can go to instead and all you have to do is put in the points and then once you're done type in correlation coefficient and then type in (A,B,C, D, E, etc.) and you'll be given the correlation coefficient. I put a picture with my attempt at graphing. I hope this helps, sorry I couldn't graph it for you
The site is: geogebra and it is a graphing calendar: https://www.geogebra.org/graphing
Answer:
The Y values RANGE from -9 through 9, so the range is 18