question 27 of 43\na total of 300 people part...
question 27 of 43\na total of 300 people participated in a free 12 - week weight - loss course at a community health clinic. after one year, administrators emailed each of the 300 participants to see how much weight they had lost since the end of the course. only 56 participants responded to the survey. the mean weight loss for this sample was 13.6 pounds.\nwhat type of bias is present in this study and what is the likely direction of the bias?\nundercoverage bias leading to an estimate that is likely too high.\nundercoverage bias leading to an estimate that is likely too low.\nnonresponse bias leading to an estimate that is likely too high.\nnonresponse bias leading to an estimate that is likely too low.
Answer
# Brief Explanations:
Only 56 out of 300 participants responded, which is non - response bias. Those who responded may be more motivated and have lost more weight, so the estimate is likely too high.
# Answer:
Nonresponse bias leading to an estimate that is likely too high.