# Question

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.

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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