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.