Question: If a numeric variable, such as age, has a value of 999, this could mean: Group of answer choices A data model would treat is

If a numeric variable, such as age, has a value of "999," this could mean: Group of answer choices A data model would treat is as a valid value unless it was corrected The value was a keystroke error because no one is 999 years old The value is "missing," as in the age was not recorded All of the above

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