Surveys can give useful information about a population if a random sample of people complete the survey. But the information may be biased if only a small percentage of the sample actually return the survey. Will more people complete a survey if they are paid? In this study researchers examine the relationship between monetary incentive and the percentage of the sample who complete the survey. 65 55 45 Percentage Returned 35 25 .. 15 0 10 20 30 40 50 Incentive ( dollars ) 1. The direction of the relationship is |positive 2. When researchers promised higher payments, the percentage of participants who completed the survey Select an answer 3. The form of the relationship is linear 4. Would it be reasonable to use the least-squares regression equation to make a prediction for the percent of responses at a $15 incentive? |? v 5. What type of bias is described in this scenario? Select an answer igs Submit