POST LAB QUESTIONS 1. What are the advantages and disadvantages of using the metric system of measurements? 7 2. What is the difference between accuracy and precision? 3. Consider these samples: Sample 1 - 25 35 32 28 Sample 2 - 15 75 10 20 a. What is the mean for Sample 1? b. What is the mean and median for Sample 2? 4. In science, what does the term "variability" mean? 5. What instrument do Biologists use when measuring mass? Explain.