A Complex Sound Such as a Clarinet Has What Frequency

question 50

Multiple Choice

A complex sound such as a clarinet has what frequency components?

• A)Low frequency components (below 1000 Hz)
• B)Middle frequency components (from 1000 Hz to 4000 Hz)
• C)High frequency components (above 4000 Hz)
• D)A complex mix of all of the above frequencies

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Definitions:

Percentiles

A measure that indicates the value below which a given percentage of observations in a group of observations falls.

Stanines

Derived from the term “standard nines,” this is a standardized score frequently used in schools. Often used with achievement tests, stanines have a mean of 5 and a standard deviation of 2, and range from 1 to 9.

T-scores

Standardized scores with a mean of 50 and a standard deviation of 10, used to compare an individual's score against a normative sample.

Grade Equivalents

A metric used in education to compare a student's test score with the average scores of students in other grades.