State the factors that affect power and what factors we have to specify to do a sample size calculation. Some notes on the behaviour of sample size calculations and power for unequal group sizes This ...

Poverty among afro-descendants and indigenous groups is two, three, and sometimes even more times higher than among the white population. Latin America is not the region with the largest share or ...

Your institution has access to JSTOR’s AI-powered research tool in beta. Log in or create a JSTOR personal account to get started. Your institution has access to JSTOR’s AI-powered research tool in ...

In this lesson, Rebecca Keatley and Mr Smith are down on the farm, learning about equal and unequal groups, multiplication and arrays. This is part of a series of weekly Live Lessons for Autumn ...