a nutritionist wants to collect data on how m...
a nutritionist wants to collect data on how much caffeine the average american drinks per day. she surveys 25 random customers from a local coffee shop. what type of bias will affect her results? a undercoverage bias b non - response c response
Answer
# Brief Explanations:
The nutritionist surveys only customers from a local coffee - shop. This sample does not represent all Americans as it excludes those who do not visit that coffee - shop. It is a form of undercoverage bias where parts of the population (non - coffee - shop customers) are not included in the sampling frame.
# Answer:
A. undercoverage bias