The Inclination of the Axis of the Earth Varies from 22°

question 4

Multiple Choice

The inclination of the axis of the Earth varies from 22° to 24° degrees taking ____ to complete a cycle. This is a factor in the Milankovitch hypothesis of ice ages.

• A)24 hours
• B)1 year
• C)499 years
• D)41,000 years
• E)Wrong! The Earth's axis tilt is fixed at exactly 23.50 with no variation whatsoever.

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Definitions:

Null Hypothesis

A theory that there is no statistical significance between specified populations, any observed difference being due to sampling or experimental error.

Golf Balls

Small, hard balls used in the game of golf, designed with dimples to reduce air resistance and increase distance when hit.

PGA

Professional Golfers' Association, an organization for professional golf players, or a reference to the tour operated by this organization.

Degrees Of Freedom

A statistical concept that represents the number of independent values or quantities which can vary in an analysis without violating any constraints.