An airline analyst wishes to estimate the proportion of all American adults who are afraid to fly because of potential terrorist attacks. To estimate this percentage, the analyst decides to C. Identify the relevant sample and population in this situation. According to the definition of population, it includes all of the entities of interes in a study ( people, households, machines, etc.) So "American adults" will present for population and 1500 American adults across the nation will be sample (a subset of the population, often randomly chosen and preferably representative of the population as a whole). The number of children living in each of a large number of randomly selected households is an example of which data type? Be specific. Does it make sense to construct a histogram for the state of residence of randomly selected individuals in a sample? Explain why or why not. A population includes all of the entities of interest in a study (people, households, machines, etc.). Examples All potential voters in a presidential election All subscribers to cable television All invoices submitted for Medicare reimbursement by nursing homes A sample is a subset of the population, often randomly chosen and preferably representative of the population as a whole.