Chapter 1 Flashcards
A science dealing with the collection, analysis, interpretation, and presentation of numerical data is called statistics_____________.
Statistics
One way to subdivide the field of statistics is into the two branches
Descriptive, Inferential
A collection of persons, objects or items of interest is a
Population
Data gathered from a whole population is called a
Census
If a population consists of all the radios produced today in the Akron facility and if a quality control inspector randomly selects forty of the ratios, the group of forty is referred to as
Sample
If data are used to reach conclusions only about the group from which the data are gathered, then the statistics are referred to as
Descriptive
If data are gathered from a subgroup of a larger group and the data are used to reach conclusions about the larger group, then the statistics are said to be
Inferential
Another name for inferential statistics is
Inductive
Descriptive measures which are usually denoted by Greek letters are called
Parameters
A characteristic of any entity being studied that is capable of taking on different values is
Variable
When a standard process is used to assign numbers to particular attributes or characteristics of a variable, it is called
Measurement
Recorded measurements are
Data
The highest level of data measurement is
Ratio
The level of data measurement used when ranking items is
Ordinal
. If a number represents the geographic location of a business, then the level of data represented by the number is probably
Nominal