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Questions and Answers
What is a variable in the context of data?
What is a variable in the context of data?
- A way to assign a value of a variable to the element
- Facts and figures from which conclusions can be drawn
- The data that are collected for a particular study
- Any characteristic of an element (correct)
What is the difference between quantitative and qualitative data?
What is the difference between quantitative and qualitative data?
- Quantitative data are collected from experimental studies, while qualitative data are from existing sources
- Quantitative data are related to response variables, while qualitative data are related to factors
- Quantitative data are facts and figures, while qualitative data are elements
- Quantitative data are numbers that represent quantities, while qualitative data fall into several categories (correct)
What is a response variable in an experimental or observational study?
What is a response variable in an experimental or observational study?
- Facts and figures from which conclusions can be drawn
- Any characteristic of an element
- Variable of interest (correct)
- Data that are collected for a particular study
Where can existing sources of data be obtained from?
Where can existing sources of data be obtained from?
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Study Notes
Data Fundamentals
- A variable is a characteristic or attribute of an individual, object, or situation that can take on different values or outcomes.
- Variables can be measured or observed, and their values can be recorded or collected.
Types of Data
- Quantitative Data: Numerical values that can be measured, counted, or compared, such as height, weight, temperature, or scores.
- Qualitative Data: Non-numerical values that describe characteristics, attributes, or qualities, such as opinions, attitudes, or behaviors.
Response Variable
- A response variable, also known as an outcome variable or dependent variable, is the variable being measured or observed in response to changes made to the explanatory variable in an experimental or observational study.
- The response variable is the outcome or result being studied or investigated.
Existing Sources of Data
- Existing sources of data can be obtained from:
- Government databases and records
- Surveys and census data
- Online data repositories and databases
- Academic journals and research papers
- Company records and reports
- Social media and online platforms
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