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Fortune published a list of the 10 largest "green companies"-those that follow environmental policies. Their annual revenues, in $ billions, are given below.

Company	Revenue $ Billion
Honda	$84.2
Continental Airlines	13.1
Suncor	13.6
Tesco	71.0
Alcan	23.6
PG&E	12.5
S.C. Johnson	7.0
Goldman Sachs	69.4
Swiss RE	24.0
Hewlett-Packard	91.7

Find the mean, variance, and standard deviation of the annual revenues.

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Category:- Statistics and Probability
Reference No.:- M92179269

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