Case-Based Critical Thinking Questions Case 7-2 Rina Has Just Completed

question 75

Multiple Choice

Case-Based Critical Thinking Questions Case 7-2 Rina has just completed some coursework in Excel application writing and wants to begin developing her own macros to share more widely. She knows that she has to learn more about digital signatures in order to make her plan a reality. What phrase could Rina use to best describe a digital signature?

• A)a merit badge
• B)an indication of value
• C)an invitation to collaborate
• D)a seal of approval

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Definitions:

Prediction Error

The difference between observed values and the values predicted by a model, used as a metric to evaluate the accuracy of predictions.

Absolute Value

The non-negative value of a number disregarding its sign; representing its distance from zero on the number line.

Criterion Variable

The dependent variable that is predicted or explained by independent variables in a study.

Dependent Variable

The variable in an experiment that is expected to change as a result of manipulations made to the independent variable.