33. 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.

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