14 select the correct answer from each drop -...
14 select the correct answer from each drop - down menu. a restaurant is analyzing its customer satisfaction level. the manager performs an observational study of customers during the lunch hour on a monday and draws the conclusion that most of the customers are satisfied with the service they receive. the conclusion drawn from the study is not valid because the sample is dropdown. in this instance, an dropdown study was conducted. reset unbiased biased
Answer
# Brief Explanations:
The study only observes customers during lunch - hour on a Monday. This is a limited time and day, which may not represent all customers. So the sample is likely to be different from the overall customer population, making it biased. An observational study was conducted as the manager just observed customers without interfering.
# Answer:
The conclusion drawn from the study is not valid because the sample is biased. In this instance, an observational study was conducted.