Terminology (Junior Cert Mathematics): Flashcards
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15 cards from this deck
Numerical data
Numerical data
Data consisting of numbers
Categorical data
Categorical data
Data consisting of names, labels, or categories
Discrete data
Discrete data
Numerical data with specific values, often whole numbers
Continuous data
Continuous data
Numerical data that can take any value within a range
Ordinal data
Ordinal data
Categorical data where order of categories matters
Nominal data
Nominal data
Categorical data where order of categories does not matter
Primary data
Primary data
Data collected firsthand from surveys, experiments, observations
Secondary data
Secondary data
Data already collected by someone else
Population in statistics
Population in statistics
The entire group of people or items being studied
Sample in statistics
Sample in statistics
A smaller group selected from the population
Sampling frame
Sampling frame
List of all possible members of the population
Census
Census
Gathering information from every member of the population
Outlier
Outlier
A data point significantly different from other data points
Bias in statistics
Bias in statistics
When data does not fairly represent the population
Type of data from measuring
Type of data from measuring
Continuous data