# linearity

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## lin·e·ar·i·ty

(lin'ē-ar'ĭ-tē),A relationship between two quantities whereby a change in one causes a directly proportional change in the other.

[L.

*linearis,*linear, fr.*linea,*line]## linearity

[lin′ē·er′itē]

the principle that the density of a radiographic exposure is determined by the product of the current and the exposure time.

## linearity

Statistics A straight line relation between 2 quantities, where when a value 'X' is ↑ or ↓, 'Y' is proportionately ↑ or ↓; linearity assumes that the relation between X and Y–abscissa and ordinate can be summarized in a straight line, known as a least-squares regression method## lin·e·ar·i·ty

(lin'ē-ar'i-tē)A relationship between two quantities whereby a change in one causes a directly proportional change in the other.

[L.

*linearis,*linear, fr.*linea,*line]## linearity

the characteristic of being a straight line. If one variable is a linear function of another, a graph prepared by plotting one against the other will be a straight line.

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