Twenty students were surveyed to find out how many hours of TV they watch during a school
week. The results are shown to the right.
If student 12 had actually watched 10 hours of TV
instead of 1, which values would be affected?
mean
median
mode
range
DONE

I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!