All over shampoo is a leading brand in the company's western sales region.

666,000 household in the region

500,000 purchase the shampoo in this category

211,000 of this group purchase All over shampoo

households bought 536,000 of All over shampoo

952,000 bottles bought in total

any brand shampoo bottle consumption is 2.6 20oz bottles

What is the average consumption of shampoo for households that bought the All over brand shampoo?