1. (1 point) Give an example of a population versus a sample. 2. (1 point) Give the boundaries of 2.16 pounds 3. (1 point) Give an example of an observational versus experimental study. 4. (6 points) Below are the percentages of the population over 25 years of age who have completed 4 years of college or more in the United States. Find: a. Meanb. Modal Classc. Varianced. Standard Deviation Percentage Frequency 15.2 - 19.6 3 19.7 - 24.1 15 24.2 - 28.6 19 28.7 - 33.1 6 33.2 - 37.6 7 37.7 - 42.1 0 42.2 - 46.6 1 5. (4 points) A sample of 12 drivers shows the time that they spent (in minutes) stopped in rush hour traffic on a specific day. Find: a. Range b. Variance (Make sure to show work) c. Standard deviation 15248910241617 6. (2 points) Of all the murder victims in 2015 whose relation to the offender was known, 24.8% were killed by a family member and 53% by an acquaintance. The rest were killed by a stranger. What is the probability that a randomly selected murder victim was killed by a stranger