Statistical Power. The Statistical Data Analysis tutorial page provides a good background for understanding the concept of statistical power. In very basic terms, statistical power is the likelihood of achieving statistical significance, when in fact the alternative hypothesis is true.
In 2001, the U.S. Census Bureau estimated that nearly 7 million school-age children are routinely left home alone. âDevelopmentally, children are generally ready to be home alone around the age of 12 or 13,â says Cherie Sage, State Director of Safe Kids Kansas.
Report Abuse. In Missouri, a child that leaves home at a minumum age of 17, cannot be forced to move back home-although his/her parents are still legally responsible for them until they are 18.s long as you and the mother agree, along with the grandparents, it's legal for your 15 year old to live with them. If you feel better, you could go to court and give them temporary custody, in case they have to take the child/teen to the doctors.