A Computation of the Mean Pixel Value Within a Region-Of-Interest

question 14

Multiple Choice

A computation of the mean pixel value within a region-of-interest is performed for ____________________.

• A) quantitative radiology
• B) edge enhancement
• C) image inversion
• D) window and level adjustment

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Definitions:

Q Statistic

A measure used in statistics to test for the independence of two or more groups of data.

Independent Samples T-Test

A statistical test used to compare the means of two independent groups under the assumption that both follow a normal distribution.

Normally Distributed Populations

Populations where the distribution of data points forms a bell-shaped curve, characterized by two parameters: the mean and the standard deviation.

Population Variances

A measure of the degree to which numerical data in a population are spread out, representing the average of the squared differences from the Population Mean.