In Its Automated Data Processing System, a Company Might Use

question 52

Multiple Choice

In its automated data processing system, a company might use selfchecking numbers (check digit) to enable detection of which of the following errors?

• A)Assigning a valid identification code to the wrong customer
• B)Recording an invalid customer's identification charge account number
• C)Losing data between processing functions
• D)Processing data arranged in the wrong sequence

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Definitions:

Regression Hyperplane

In multivariate linear regression, a flat surface that best fits the data points in a multi-dimensional space, generalizing the concept of a regression line.

Independent Variables

Variables in an experiment or model that are manipulated or categorized to determine their effect on dependent variables.

Squared Vertical Deviations

Squared vertical deviations represent the square of differences between observed values and their means in a data set, often used in regression analysis to measure dispersion.

MSE

Mean Squared Error, a measure of the average of the squares of the errors or deviations, indicating the difference between the estimator and what is estimated.