Discussion
Consider the following statements about weight estimation classes:
1. Class I uses statistical fractions at aircraft level.
2. Class II estimates each major group separately.
3. Class III relies entirely on historical regression.
Which of the statements given above is or are correct?
Answer: C
Correct answer: 1 and 2 only
Statements 1 and 2 describe Class I and Class II correctly. Statement 3 inverts Class III: it is the class that abandons historical regression altogether and analyses the actual defined parts. Fidelity rises through the classes precisely because the reliance on history falls, so a Class III method built on historical fractions would be a contradiction in terms.
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