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.
TOPEKA, Kan. â Kansas may have seen the last of its child brides. After a pregnant 14-year-old from Nebraska drove to Kansas last year to marry her 22-year-old boyfriend, now serving time for having sex with the minor, Kansas lawmakers decided it was time the set a minimum marriage age.