select the correct answer from each drop - down menu. a restaurant is analyzing its customer satisfaction…

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 blank because the sample is blank. in this instance, an blank study was conducted.
Answer
Brief Explanations:
The conclusion is likely inaccurate as the sample is only from lunch - hour on a Monday, which is not representative of all customer experiences. An observational study was conducted, but the sample bias affects the validity of the conclusion.
Answer:
The conclusion drawn from the study is invalid because the sample is biased, In this instance, an observational study was conducted.