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【单选题】
This is the standard deviation formula: What advice is given as the least tedious way of calculating standard deviation?A.
Use a spreadsheet function
B.
Use a statistical calculator
C.
Use a pen and paper
D.
Don't bother
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举一反三
【单选题】Why does George say the job isn't for everyone?
A.
Not everyone would like to work alone and in silence.
B.
It isn't very well-paid.
C.
It can be dangerous.
【单选题】Not everyone likes to be flattered, ______ ?
A.
doesn't he
B.
do they
C.
does he
D.
does everyone
【单选题】Everyone wants to see the flower show, ______?
A.
does he
B.
doesn't it
C.
doesn't everyone
D.
don't they
【单选题】Everyone is here, __________? [ ]
A.
aren't they
B.
are they
C.
is everyone
D.
isn't he
【单选题】Everyone is in the classroom, _____?
A.
doesn’t he
B.
isn’t he
C.
are they
D.
aren’t they
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