the accompanying frequency distribution represents the square footage of a random sample of 500 houses that are owner occupied year round. approximate the mean and standard deviation square footage.

Genius: Yes, you've pretty much reached Genius status when you've been answering and helping your peers for a long time, posting thoughtful, high quality answers. You know your way around like the back of your hand and others trust you for your insightful and extremely helpful solutions to their questions.

Drugs in school, a subject both difficult, and necessary.  The use of any drugs or drug during any time at any age, can effect a adolescent negatively. Not just that, it can ruin there lives, without chance of being able to change it. Use during school though, is a subject matter in an of itself.  The use of drugs during school, will start a spiral in any adolescents life.