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OpenStudy (ziporah):
Design an experiment to answer "Which brand of toothpaste works best?". Identify a control group, dependent and independent variables and possible outcomes or what type of data would be gathered- can you create a data table? Could someone help me start?
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OpenStudy (rjtrain1):
Sensodyne Pronamel Gentle Whitening Toothpaste, Alpine Breeze,Tubes
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