Answer:
Step-by-step explanation:
In order to provide the most accurate data for Taco Bell to receive their answer, the following experiment needs to be done. We would have to randomly choose participants (independent variable) from the same Taco Bell restaurant (Control Variable) throughout the day. We then provide these participants with both a regular "Chalupa" sandwich and a "Grande Chalupa" sandwich (dependent variables) but without telling them which is which (making sure that there are no identifying marks on them). Finally, we ask the participant to choose which sandwich they prefer. Doing so will provide unbiased data as to which sandwich is more liked by Taco Bell's customers.