You work in the marketing research department of Burger King. Burger King has developed a new cooking process that makes the hamburgers taste better. However, before the new hamburger is introduced in the market, taste tests will be conducted. How should the sample size for these taste tests be determined? What approach would you recommend? Justify your recommendations to a group of students representing Burger King management

Answer with its Explanation:

The first step is to diversify the sample size so that our sample includes every person from different cultures, geographic, religions, genders, etc., which would help in better assessment of the product's future in the market.

Second step is to set a sample size for receiving the feedback of the customers at required confidence interval that is Burger King's goal to achieve. For example, Burger King desires to achieve 93% customer satisfaction and the error rate would determined by using the confidence interval. This sample size would be calculated using the practical approach.

Third step is to ensuring that the errors in prediction are reasonably low by practical approach, confidence interval approach and diversified test samples. All this will help the company to ensure that they have accurate results in hand for decision making.

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