Question $18($Mandatory$)(10$ points$)$

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A flight is considered delayed when it comes in $15$ minutes or more after ETA $($estimated time of arrival$).$ I observe $20$ flights and find that $6$ came were delayed, while the rest were not. My data does not show the extent of delay of each flight. How am I measuring delay?

Question $18$ options:

As Variable data

As Attribute data