select the correct answer from each drop - do...
select the correct answer from each drop - down menu. a dentist conducts a survey to determine whether a certain brand of mouthwash improves gum health more than others. when his patients come in for their regular cleanings, the dentist surveys them about their mouthwash use and makes a conclusion based on the survey results. the conclusion drawn from the study is not valid because the sample is biased. in this instance, an inappropriate/appropriate study was conducted. reset next
Answer
# Brief Explanations:
The sample consists only of the dentist's patients coming for regular cleanings. This is a non - random sample and may have characteristics different from the general population, making it biased. Since the sample is biased, the conclusion drawn from the study is not valid. An inappropriate study was conducted as the sampling method was not representative.
# Answer:
The conclusion drawn from the study is not valid because the sample is biased. In this instance, an inappropriate study was conducted.