Module 1: Types of Data; Population, Parameters, Samples, and Statistics

Population

The entire group of interests to your question.

Parameter

A numerical feature of a population (mean amount of time all college students spend exercising)

Samples

A subset of a population (Students in this class)

Statistics

A numerical feature of a sample (mean amount of time students in this class spend exercising.

Ordinal Scale

-Size interval between units is not constant

-Units are ordered relative to one another

Nominal Scale

-Name

-Qualitive units

-Cannot be ordered

Discrete

-Discontinuous variables

-Only specific values are possible

Continuous Data

-There is a possible value between any two other values.

Explanatory

The variable causing an effect

Response

The variable being affected