Answer:
An incorrect sample frame can destroy a study, regardless of the sample size.
Explanation:
There are major three known errors that were detected during the survey research of the political poll taken by Literary Digest about the Landon vs Roosevelt election.
These errors were
* Sampling error-- The telephone directories, automobiles that were sampled, were mostly sampled middle/upper class
* Timing -- The questionnaires were mailed in early September, they did not measure the changes in public opinions as the election drew closer.
* Self-selection-- It should be understood that an individual cannot select himself/herself into a sample. This is because,the more wealthy and educated do that so the results are entirely accurate
the answer is c you can eliminate a, b, d,
Answer:
Democracy/federal democracy.
Explanation:
