How Does an Optical Character-Recognition Device Work

question 60

Essay

How does an optical character-recognition device work?

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Definitions:

Dependent Variable

The outcome factor in a study that changes in response to manipulations of the independent variable.

Predicted Score

An estimate based on a model or algorithm of what a variable's value will be based on other variables.

Regression Equation

An equation that describes the relationship between one dependent variable and one or more independent variables, often used to predict outcomes.

Regression Line

The line drawn based on values in a regression equation. Also known as a trend line.