Wirt, you replied :

> I've been meaning to answer John Dunlop's question about how to code standard
> deviation in Quiz for several days now, but just haven't had the time.
> However, as long as this is official math day, let me finish up John's
> question. In a previous posting, I gave the relevant equations as:

[Snipped very thorough demonstration of Standard Deviation
calculation using basic]

Thank you for that, Wirt. I have nearly completed my task but this
explanation does help a lot. I appreciate your time and effort in
helping me.

Thank you.

Cheers,

John Dunlop

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