Create a list of all possible question numbers and start to perform a standard Fisher-Yates shuffle on it. You can then stop after N steps and you will have N question numbers chosen perfectly at random (and the unchosen numbers sorted after that).

        - tye (but my friends call me "Tye")

In reply to (tye)Re: Creating an array of unique numbers by tye
in thread Creating an array of unique numbers by TStanley

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