Test for Relative Maximum and Minimum

question 21

Multiple Choice

Test for relative maximum and minimum. ​ ​

• A)relative maxima when x = 7, y = -8 and x = 7, y = 8; relative minima when x = -7, y = 8 and x = -7, y = -8
• B)relative maximum when x = 7, y = -8; relative minimum when x = -7, y = 8
• C)saddle point when x = -7, y = -8; relative minima when x = 0, y = 0 and x = -7, y = -8
• D)saddle points when x = 7, y = -8 and x = -7, y = 8; relative maximum when x = -7, y = -8; relative minimum when x = 7, y = 8
• E)saddle points when x = 7, y = 8 and x = -7, y = -8; relative maxima when x = 7, y = -8 and x = -7, y = 8

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Definitions:

Predictive Validity

The extent to which a score on a scale or test forecasts or correlates with a future behavior, outcome, or criterion.

Reliability

Refers to the consistency and stability of a test or measurement over time.

IQ Scores

Numerical assessments derived from standardized tests designed to measure a person's intelligence relative to their age group.

Test Bias

A characteristic of a test that results in systematic differences in scoring that unfairly advantage or disadvantage certain groups.