REQUIREMENTS ENGINEERING
REQUIREMENTS VALIDATION AND VERIFICATION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Data might be missing from the record
|
|
Range Check
|
|
|
Presence Check
|
|
|
Format Check
|
|
|
Check Digit
|
Explanation:
Detailed explanation-1: -It makes downstream processing faster. It nulls the dataset, which must then be discarded and recollected.
Detailed explanation-2: -If there is missing data elsewhere in the data set, the existing values are used in the statistical testing. Since a pairwise deletion uses all information observed, it preserves more information than the listwise deletion, which may delete the case with any missing data.
There is 1 question to complete.