##### Stastistics

Information coming form observations

Data

The science of collecting, organizing, analyzing, and interpreting
data in order to make decisions** **

Statistics

A collection of **ALL **outcomes, responses,
measurements, our counts that are of interest

Population

A subset, or part, of a population

Sample

A numerical description of a **population** characteristic

Parameter

A numerical description of a** sample** characteristic

Statistic

A branch of statistics that involve the organization, summarization, and display of data.

Descriptive statistics

A branch of statistic that involves using a sample to draw conclusions about a population.

Inferential statistics

____________ data consist of attributes, labels, or nonnumerical entries.

Qualitative

_____________ data consists of numerical measurements or counts.

Quantitative

- Nominal
- Ordinal
- Interval
- Ratio

The 4 levels of measurement

Data at the _____________ level of measurement are qualitative only and are categorized using names, labels, or qualities having no effect on mathematical computation.

Nominal

Data at the ___________ level of measurement are qualitative or quantitative, and can be arranged in order, or ranked, but differences between data entries are not meaningful.

Ordinal

Data at the ____________ interval level can be ordered, and meaningful differences between data entries can be calculated. A zero entry simply represents a position on a scale; the entry is not an inherent zero ( a zero that implies "none").

Interval

Data at the _____________ level of measurement are similar to data at
the inherent level, with the added property that a zero entry
**is** an inherent zero (a zero that implies "none").

Ratio