U
U-Commerce:
The term U-Commerce reflects the move to start to retail across multiple platforms, for example by combining E-commerce, T-commerce, and M-commerce.
Unbiased Estimator:
The mean of the sample distribution and estimate distribution are equal.
Unbiased Samples:
This is a way of limiting the sampling error as a result of randomness only by deriving the samples from an unbiased source.
Unidimensional Scaling:
This process measures only one single attribute of an object or respondent.
Union:
The event containing all simple events for both event A and event B. The concept of union can be extended to more than two events.
Unipolar:
An ordinal scale with one positive end and one negative end.
Unit of Analysis:
Units that constitute the population and the units selected for measurement.
Univariate Data Set:
A data set in which one measurement (variable) has been made on each respondent.
Universe:
The set of all the units from which a sample is drawn. Also called the population.
Unstructured Observation:
A study in which the observer simply makes notes on the behavior being observed.
Unstructured Question:
This is a question that does not provoke or influence the answer of the respondent in any way.
Unstructured Segmentation:
Process of segmenting a market using data and analysis when no prior ideas are held about the number of segments, what they are, or how and why they are different.
Urban Population:
As defined by the 1980 census, all persons living in urbanized areas and in places of 2,500 or more inhabitants outside urbanized areas.
Urbanized Areas:
A central city or cities and the surrounding (contiguous) closely settled territory. Must have at least 50,000 inhabitants.
The term U-Commerce reflects the move to start to retail across multiple platforms, for example by combining E-commerce, T-commerce, and M-commerce.
Unbiased Estimator:
The mean of the sample distribution and estimate distribution are equal.
Unbiased Samples:
This is a way of limiting the sampling error as a result of randomness only by deriving the samples from an unbiased source.
Unidimensional Scaling:
This process measures only one single attribute of an object or respondent.
Union:
The event containing all simple events for both event A and event B. The concept of union can be extended to more than two events.
Unipolar:
An ordinal scale with one positive end and one negative end.
Unit of Analysis:
Units that constitute the population and the units selected for measurement.
Univariate Data Set:
A data set in which one measurement (variable) has been made on each respondent.
Universe:
The set of all the units from which a sample is drawn. Also called the population.
Unstructured Observation:
A study in which the observer simply makes notes on the behavior being observed.
Unstructured Question:
This is a question that does not provoke or influence the answer of the respondent in any way.
Unstructured Segmentation:
Process of segmenting a market using data and analysis when no prior ideas are held about the number of segments, what they are, or how and why they are different.
Urban Population:
As defined by the 1980 census, all persons living in urbanized areas and in places of 2,500 or more inhabitants outside urbanized areas.
Urbanized Areas:
A central city or cities and the surrounding (contiguous) closely settled territory. Must have at least 50,000 inhabitants.
