A group, as a single entity, would be nominal.
Yes anova can and should be used to predict correlation between variable's in a single group. This is one of the primary and most common uses of such software.
Mean
A nonet.
There was no single person.
Alphanumeric
D!
D!
Group - ABBA Hit Single - SOS
No, Alicia Keys is not single.
it is a group of email names and addresses given a single name
Well, isn't that just a happy little question! "Bunch of keys" is actually considered singular, like a single group of keys all together. Just imagine all those keys hanging out and keeping each other company, like a little family on a keyring.
numbers 0-9, letters a-z, and the dash - symbol.
Collective nouns are a bunch of keys, a ring of keys, a set of keys.
Basil Keys's birth name is Basil Henry Keys.
Kathryn Keys's birth name is Sarah Margaret Keys.
Nelson Keys's birth name is Nelson Waite Keys.