a newspaper hires a polling company to determ...
a newspaper hires a polling company to determine the level of support in the county for raising property taxes in order to increase funding for local schools. the polling company calls phone numbers chosen at random from a phone number registry between the hours of 5:00 p.m. and 7:00 p.m. what are some potential sources of bias in this sampling method? select all that apply. a. the method excludes people without homes b. the method excludes people who have unregistered numbers c. the method excludes people who work between 5:00 p.m. and 7:00 p.m. d. the method excludes people who rent their home. e. the method excludes people with no children. f. the method excludes people who do not have phones.
Answer
# Brief Explanations:
- A: People without homes likely don't have listed phone - numbers, so they are excluded.
- B: Unregistered numbers won't be in the registry, causing exclusion.
- C: People working 5 - 7 PM may not be available to answer, biasing the sample.
- F: Those without phones can't be reached, leading to bias. Renting status (D) and having children (E) are not directly related to being excluded by this sampling method.
# Answer:
A. The method excludes people without homes
B. The method excludes people who have unregistered numbers
C. The method excludes people who work between 5:00 P.M. and 7:00 P.M.
F. The method excludes people who do not have phones