A Cable Television Company Has Randomly Selected a Sample of 637

question 31

Multiple Choice

A cable television company has randomly selected a sample of 637 Basic package customers for a marketing test to see which customers are more likely to upgrade to the Premium package. They monitored several predictor variables based on customer activity during the most recently billed month. Then they included a special upgrade offer for the Premium package along with their bill. The response variable Upgrade equals Yes if a customer accepted the offer to upgrade to the Premium package and equals No otherwise. Below is the confusion matrix from the k-nearest neighbors classification analysis. What is the overall misclassification rate for the k-nearest neighbors classification?

• A) .115
• B) .121
• C) .189
• D) .234
• E) .325

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Definitions:

Operational Definition

Definition of a concept that specifies the method used to measure or manipulate the concept.

Reactive Validity

The extent to which the act of measuring influences the measurement or behavior being observed.

Construct Validity

Construct validity is the extent to which a test measures what it claims to be measuring, reflecting the accuracy of an operationalization of a theoretical construct.

Split-half Reliability

This is a measure of consistency where a test is divided into two parts, and the scores from each half are compared to evaluate the test's reliability.