The length the student should record as correct is 18.55 centimeters (cm) because it is the average value.
What is the average value?
The average value is a number associated with the middle amount for a given number of measured samples.
In this case, the median value results less useful to describe a set of data when compared to the average.
In conclusion, the length the student should record as correct is 18.55 centimeters (cm) because it is the average value.
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