An article reported that in a particular year, there were 718 bicyclists killed on public roadways in a particular country, and that figures were based on an analysis of the records of all traffic-related deaths of bicyclists on public roadways of that country. (a) Does the group of 718 bicycle fatalities represent a census or a sample of the bicycle fatalities for that year? O a census O a sample (b) If the population of interest is bicycle traffic fatalities for this particular year, is the given average age of 47 years a number that desc population? O a number that describes a sample O a number that describes the population