Podcast
Questions and Answers
What distinguishes primary data from secondary data?
What distinguishes primary data from secondary data?
- Primary data is always more reliable than secondary data.
- Secondary data is collected in organized experiments.
- Secondary data is collected through personal interviews.
- Primary data is collected by an investigator for the first time. (correct)
Which of the following is NOT a source of statistical data?
Which of the following is NOT a source of statistical data?
- Publications
- Private conversations (correct)
- Sample surveys and censuses
- Administrative activity records
Which method involves face-to-face conversation to collect information?
Which method involves face-to-face conversation to collect information?
- Sample survey
- Administrative data collection
- Interview method (correct)
- Internet sources
What is a characteristic of secondary data?
What is a characteristic of secondary data?
Which source of data is considered most reliable in Nigeria?
Which source of data is considered most reliable in Nigeria?
In which method is a representative fraction of the population inspected?
In which method is a representative fraction of the population inspected?
Which of the following would NOT be considered an organized experiment?
Which of the following would NOT be considered an organized experiment?
What is NOT a common administrative activity that generates data?
What is NOT a common administrative activity that generates data?
What defines statistical data?
What defines statistical data?
Which characteristic is true about primary data?
Which characteristic is true about primary data?
How does a sample survey differ from a census?
How does a sample survey differ from a census?
What is an example of secondary data?
What is an example of secondary data?
Which of the following is considered an organized method of data collection?
Which of the following is considered an organized method of data collection?
Which source of data is least likely to provide reliability?
Which source of data is least likely to provide reliability?
What is the primary advantage of using administrative activity records as a data source?
What is the primary advantage of using administrative activity records as a data source?
What setting does the interview method primarily require?
What setting does the interview method primarily require?
Flashcards
Primary Data
Primary Data
Data collected firsthand for a specific research project.
Secondary Data
Secondary Data
Data already collected and processed by others.
Data Collection - Experiment
Data Collection - Experiment
Gathering data through planned experiments.
Statistical Data Definition
Statistical Data Definition
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Data Collection - Sample Survey
Data Collection - Sample Survey
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Data Collection - Interview Method
Data Collection - Interview Method
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Data Collection - Administrative Records
Data Collection - Administrative Records
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Data Collection - Publications
Data Collection - Publications
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What are primary data?
What are primary data?
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What is statistics?
What is statistics?
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What distinguishes secondary data?
What distinguishes secondary data?
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How does sampling work?
How does sampling work?
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How are experiments used for data?
How are experiments used for data?
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What are some examples of published data?
What are some examples of published data?
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What are administrative records?
What are administrative records?
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How do interviews collect data?
How do interviews collect data?
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Study Notes
Statistics
- Statistics is the science of dealing with the organization, analysis, and interpretation of statistical data.
- Data refers to a set of information about certain individuals or objects needed to carry out research or tasks.
- Statistical data is a set of numerical information about certain individuals or objects needed for statistical analysis.
Types of Data
- Primary Data: Data originally collected by an agency or investigator for the first time for analysis.
- Secondary Data: Data that has already been collected and processed by others, and used by another person or agency for their statistical work.
Sources of Data
- Organized Experiment: Data collected through experiments or by specialists who publish their findings.
- Individual Research: Data collected by researchers for scientific or fact-finding investigations.
- Sample Surveys and Censuses: Involves inspecting a representative fraction of a population to draw conclusions about the entire population.
Data Collection Methods
- Administrative Records: Data collected as a byproduct of routine administrative activities (birth records, hospital reports, etc.)
- Publications: Data collected from published sources like books, journals, and literature.
- Internet: Data gathered from online sources.
- Statistical Bulletins: Data collected from government or other statistical publications.
- Federal/National Offices of Statistics: Data obtained from government agencies responsible for statistics.
- Interviews: Data collection method involving direct interaction between an interviewer and respondent.
- Telephone Interviews: Interviews conducted using a telephone.
- Questionnaire: A set of prepared questions mailed for responses.
- Observation: Data collected by directly observing events as they happen.
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