“Excellent ”

Xolani Caleni

“Great teaching skills from Ray”

Dr Bheki S Makhanya

“Good review of hypothesis testing”

Lucas

“Excel and Minitab applications are useful.”

Mc Lein Roger M. Lubiano II

“There was nothing easy about this course. I am more than satisfy about the quality of this course.”

Fernando Escobar

“Great course!”

Sarah Heller

“A lot of data and measures to absorb but Ray made as simple as possible by using his expertise in breaking down each category of hypothesis testing and simplifying it. Thanks Ray!”

Ronny Rice

“This course is great training that you can use to enhance your knowledge when using Minitab. I really like the way it's designed to help you to understand the theoretical and practical side of using Minitab.”

ITURIEL RODRIGUEZ