Answer:
1. The elements of a survey include;
a. Sample
b. Questionnaire
c. Interview
d. Analysis
Only the sample is part of the survey
Explanation:
1. a. The sample
The sample is a subset of the population of interest of the survey and the sample should be representative of the population
b. The questionnaire
The questionnaire is the document or instrument used for collecting information from the sample as such, the questionnaire determines the information sought by the researcher
c. The interview
An interview is used to obtain direct opinions pertaining to products, subjects or organization whereby a small group or sample of the population that are closely related or well vast with the subject are interviewed
d. The analysis
The collected information is analysed and the margin of error is determined after which recommendations and conclusions can be made.
2. The entire population is not part of the survey, only the sample that is part of the survey.