True or False 1. Interviewers should wait to record responses until enough time has passed to put the interview in perspective of other interviews that are conducted. 2. In stratified sampling, a sample of observations are always collected from each stratum. 3. One advantage of correlation is that it quantifies the absolute amount of how much the dependent variable increases as the independent variable increases. 4. The t static is computed as the ratio of a difference and a measure of how noisy the data is. 5. According to the text, a control is the group exposed to treatment condition. 6. Average (mean) values of an interval scale are typically nonsensical because interval scales lack the origin property. 7. When presenting complicated results, it’s important to simplify to conserve the audience’s attention. 8. When comparing how allocation of a whole (100%) changes over time, a series of pie charts is usually better than a line chart. 9. It’s generally best to avoid direct quotes when presenting a project involving quantitative data.