Aluminum Filters

question 13

Multiple Choice

Aluminum filters

• A)remove more penetrating x-rays from the beam.
• B)decrease the mean penetrating ability of the x-ray beam.
• C)remove high-energy x-rays from the beam.
• D)reduce the intensity of the x-ray beam.

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Definitions:

Null Hypothesis

A statement in hypothesis testing that assumes no significant difference or effect exists between certain measured phenomena or populations.

Directional

Pertaining to a hypothesis or test that specifies the expected direction of the relationship between variables.

Variability

The extent to which data points in a dataset differ from each other.

Sampling Distribution

The probability distribution of a given statistic based on a random sample.