A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables. It is called a variable because the value may vary between data units in a population, and may change in value over time.
Variables are things you measure, manipulate and control in statistics and research. All studies analyze a variable, which can describe a person, place, thing or idea. A variable's value can change between groups or over time. For example, if the variable in an experiment is a person's eye color, its value can change from brown to blue to green from person to person.
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Answer:
A variable may also be called a data item. Age, sex, business income and expenses, country of birth, capital expenditure, class grades, eye colour and vehicle type are examples of variables. It is called a variable because the value may vary between data units in a population, and may change in value over time.
Answer:
What are variables?
Variables are things you measure, manipulate and control in statistics and research. All studies analyze a variable, which can describe a person, place, thing or idea. A variable's value can change between groups or over time. For example, if the variable in an experiment is a person's eye color, its value can change from brown to blue to green from person to person.
Explanation:
1. Independent variables
2. Dependent variables
3. Intervening variables
4. Moderating variables
5. Control variables
6. Extraneous variables
7. Quantitative variables
8. Qualitative variables
9. Confounding variables
10. Composite variables