Recently, you've noticed that your kitchen blender (brand YZ) is not blending food as well any more. You have decided to invest in a new blender. Before you make a decision on which model to purchase, you borrow three different brands of blenders AB, CD and EF from friends and family and test them for yourself. Formulate a testable hypothesis. Design an experiment to test your hypothesis. Be specific in your experimental design and include your controls. Predict the experimental results that would support your hypothesis.