- #Ten three labs superstition's willing victim full
- #Ten three labs superstition's willing victim registration
These researchers used a method they called "quota sampling" to obtain survey answers from specific subsets of the population.
#Ten three labs superstition's willing victim registration
Explain why a sample chosen from magazine subscription lists, automobile registration lists, phone books, and club membership lists was not representative of the population of the United States at that time. Think about the state of the United States in 1936.Approximately 2,300,000 people returned the postcards. These prospective voters were selected from the subscription list of the magazine, from automobile registration lists, from phone lists, and from club membership lists. The magazine sent post cards to approximately 10,000,000 prospective voters. In advance of the 1936 Presidential Election, a magazine titled Literary Digest released the results of an opinion poll predicting that the republican candidate Alf Landon would win by a large margin. With the additional information, comment on how accurately you think the sample statistics reflect the population parameters.With this additional information, do you feel that all demographic and ethnic groups were equally represented at the event? Why or why not?.population for those individuals born since 1971? If not, do you think the percents of the population are actually higher or lower than the sample statistics? Why?Īdditional information: The survey, reported by Intel Corporation, was filled out by individuals who visited the Los Angeles Convention Center to see the Smithsonian Institute's road show called
It was reported that 48% of those individuals surveyed stated that if they had $2,000 to spend, they would use it for computer equipment. Since 1971, the year the microprocessor was invented). If a registered voter answers the phone or is available to come to the phone, that registered voter is asked whom he or she intends to vote for and whether the debate changed his or her opinion of the candidates.Ī “random survey” was conducted of 3,274 people of the “microprocessor generation” (people born The day after the debate, the party’s polling staff calls 1,200 randomly selected phone numbers.
#Ten three labs superstition's willing victim full
She does not ask travelers who are hurrying through the airport with their hands full of luggage, but instead asks all travelers who are sitting near gates and not taking naps while they wait. A woman in the airport is handing out questionnaires to travelers asking them to evaluate the airport’s service.Name the sampling method used in each of the following situations: