Data
Consists of information coming from observations, counts, measurements, or responses
Data
A number that describes a population
Parameter
A subset of the population
Sample
collecting, organizing, analyzing, and interpreting data
statistics
A number that describes a sample characteristic
Statistic
Qualitative data only, no math can be done
Nominal level
The collection of all outcomes, responses, measurements or counts
population
Involves organizing, summarizing, and displaying data
Descriptive statistics
Qualitative or Quantitative, arranged in order
Ordinal level
Numerical measurements or counts
Quantitative data
Involves using sample data to draw conclusions about a population
Inferential statistics
Quantitative data, can be ordered, zero doesn't mean zero
Interval level
consists of attributes, labels, or nonnumerical entries
Qualitative data
A teacher asks 5 students in a class of 30 how many hours they study. What is the sample? What is the population?
5 is the sample and 30 is the population
Similar to interval level, zero means zero
Ratio level