Question

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 choose an answer because the sample is choose an answer. in this instance, an choose an answer study was conducted.

Explanation:

Analyze the study design and sample representation

The manager conducts an observational study of customers only during the lunch hour on a Monday to draw a conclusion about overall customer satisfaction. This sample is not representative of all customers (e.g., those who visit during dinner, weekends, or other weekdays), making the sample biased.

Determine the validity of the conclusion

Because the sample is biased and does not represent the entire customer population, the conclusion drawn from the study is invalid.

Identify the type of study conducted

The text explicitly states: "The manager performs an observational study of customers...". Therefore, an observational study was conducted.

Answer:

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>invalid</blank> because the sample is <blank>biased</blank>. In this instance, an <blank>observational</blank> study was conducted.