Problem: Is the following argument strong, weak, valid, or invalid? If it is weak or invalid, identify the fallacy or fallacies it is committing.
The University of South Alabama recently hired a polling company to better understand the political views of its roughly 9000 undergraduates. The polling company sent out a questionnaire via email to all of the undergraduates, and ultimately a staggering 2500 replied. Seventy-one percent of the students stated that they are opposed to President Biden's economic policies. Therefore, most students attending South are opposed to President Biden's economic policies.
Group of answer choices
- Valid
- Strong
- Weak; fallacy of insufficient statistics
- Invalid; fallacy of affirming the consequent
- Weak; fallacy of biased statistics
- Invalid; fallacy of denying the antecedent