Recognize Classification and Regression Problems in Data Mining

question 7

Multiple Choice

Recognize classification and regression problems in data mining.
-Data gathered from various automobile dealers (Toyota, BMW, etc.) and pro-
Environment organizations (e.g., Sierra Club) were merged into one data warehouse.
Suppose data mining is used to determine whether or not a customer would purchase a
Hybrid vehicle. In data mining this is referred to as what type of problem?

• A) Regression.
• B) Transactional.
• C) Unsupervised.
• D) Classification.
• E) None of the above.

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Definitions:

Expected Value

The long-run average or mean value of random variables, weighted by their probabilities, representing the expected outcome of a random event.

Linear Relationship

A direct proportionality between two variables in which the change in one variable is directly proportional to the change in another, represented graphically as a straight line.

Relationship

A connection, association, or interaction between two or more variables, where changes in one variable affect the other(s).

Independent Variables

Refers to the inputs or predictors in a statistical model that are manipulated or selected by the researcher to determine their effect on the dependent variable.