post test: data and sampling\nselect the correct answer from each drop - down menu.\na restaurant is…

post test: data and sampling\nselect the correct answer from each drop - down menu.\na 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.\nthe conclusion drawn from the study is drop - down because the sample is drop - down. in this instance, an drop - down study was conducted.\nreset next
Answer
Brief Explanations:
The conclusion is unreliable because the sample is biased. An observational study was conducted only during the lunch - hour on a Monday. This sample does not represent all customers at all times. A single day and time period may have unique customer characteristics and service conditions compared to other days and times.
Answer:
The conclusion drawn from the study is unreliable because the sample is biased. In this instance, an observational study was conducted.