Does the statement reference a population (a complete collection of observations) or a sample (any smaller collection of actual observations from a population)?

1. A 2013 poll by HuffPost/YouGov found that 48% of adults in the United States are opento the idea that our planet is being observed by alien spacecraft.

a. Population

b. Sample

2. Records maintained by the Dane County Treasurer’s Office show that nine parcels of land in Dane County are owned by individuals named John Smith.

a. Population

b. Sample

3. The National Highway Traffic Safety Administration reported that 726 bicyclists werekilled in crashes with motor vehicles in 2014.

a. Population

b. Sample

4. According to the American Press Institute, the most popular way Americans reported getting their news in 2014 was directly from a news organization, such as a TV newscast,newspaper, website, or newswire.

a. Population

b. Sample