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The Department of Health and Human Services has funded several Health Maintenance Organizations (HMOs). A sample of their average annual costs per person is as

The Department of Health and Human Services has funded several Health Maintenance Organizations (HMOs). A sample of their average annual costs per person is as follows:

$591

$546

$451

$494

$437

$527

$602

$561

$523

$481

Calculate the Mean, Standard Deviation, and Variance. Show your work.

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