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.
Age Requirements: Any person born on or after January 1, 1989 must complete an approved boater safety education course in order to operate a motorboat or sailboat on public waters in Kansas. This requirement does not apply to anyone 21 years of age or older, regardless of their date of birth. Out-of-state boaters who boat on Kansas waters must comply with these education requirements. All states provide a NASBLA standard that will also be acceptable in Kansas.