What Is Cross-Validation

question 58

Multiple Choice

What is cross-validation?

• A) a repeat of the validation study sometimes using another sample of test takers
• B) a validation study whose participants represent all minority groups
• C) carrying out the validation in locations throughout a state or country
• D) an alternative form of validation that can be accomplished using a statistical formula

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Definitions:

Prediction Interval

An estimate of an interval in which future observations will fall, with a certain probability, given what has already been observed.

Expected Value

The average outcome that one can expect to occur after many repetitions of a random experiment.

Error

A difference between a computed, estimated, or measured value and the true, specified, or theoretically correct value.

Prediction Interval

An estimate that provides a range within which a future observation is expected to fall, with a specified probability of the true value lying within this range.