Question

In a survey of more than 6000 people are 95% of the respondents claimed to prefer Penelope‘s puffy popcorn over any other brand of popcorn. The respondents being which of the following groups of people would most likely call into question the results of the survey

Answer 1

B. People who were promised free samples of Penelope‘s puffy popcorn for completing the survey

Explanation:

This would show likely bias in the result of the survey