Haha, this exam is trying to trip us up! The fishbone diagram is all about visuals, so option iii is just plain wrong. I'm going with B) I and II only.
I'm not sure about this one. The fishbone diagram is supposed to display causes in a graphical manner, so option i seems wrong. But it does take time to perform, so I'm leaning towards B) I and II only.
I think the correct answer is B) I and II only. The fishbone diagram is a graphical tool, so option iii is incorrect. And it does take time to perform and prioritize the causes, which is a disadvantage.
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