​The Sign of the Correlation (+/)Is Generally Meaningless for the Point-Biserial

question 61

True/False

​The sign of the correlation (+/)is generally meaningless for the point-biserial correlation and the phi-coefficient.

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Definitions:

Activity-Based Costing System

A costing methodology that assigns costs to products or services based on the activities that go into producing them, providing detailed insights into the actual consumption of resources.

Unit Product Costs

The calculated cost of producing one unit of a product, including direct materials, labor, and overhead.

Parts Administration

The process and activities involved in managing and overseeing the inventory, ordering, and supply of parts within an organization.

Unit-Level Activity

Activities that vary directly with the production volume such as the use of raw materials or energy consumed during manufacturing.