The Beam-Hardening Artifact Can Be Reduced by

question 53

Multiple Choice

The beam-hardening artifact can be reduced by

• A) setting a lower mA
• B) using a computer algorithm
• C) increasing the matrix
• D) increasing the pitch

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Definitions:

DfWG

Degrees of Freedom Within Groups, a statistical concept used in variance analysis to describe the number of independent pieces of information that went into the estimate of variability.

Critical Value

The threshold value that a test statistic must exceed to reject the null hypothesis in a statistical test.

Df

Abbreviation for degrees of freedom, indicating the number of values in a final calculation of a statistic that are free to vary.

Critical Value

A threshold value in hypothesis testing, beyond which the null hypothesis is rejected, determined by the chosen significance level.