Types of Variables and the Nature of Statistical Data Flashcards
Explain the meaning of quantitative variable.
A variable that can be measured numerically.
Explain the meaning of qualitative variable.
A variable that cannot assume a numeric value but can be classified into two or more nonnumeric categories.
Explain the meaning of discrete variable.
A variable whose values are countable.
Explain the meaning of continuous variable.
A variable that can assume any numerical value over a certain interval or intervals.
Explain the meaning of quantitative data.
Data collected on a quantitative variable.
Explain the meaning of qualitative data.
Data collected on a qualitative variable.
Explain the difference between cross-section and time-series data.
Cross section data, data collected on different elements at the same point in time.
Time-series data, data collected on the same element at different points in time.