An Observer in the Southern Hemisphere Takes a Time Exposure

question 121

Multiple Choice

An observer in the southern hemisphere takes a time exposure photograph of the night sky.If the illustration depicts the photograph taken by the observer,which direction was the camera pointing?

• A)due south
• B)due east
• C)due west
• D)straight up, directly overhead

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variability or dispersion of a set of data values around the mean (average).

Risk-Free Asset

A financial instrument that is considered to have no risk of financial loss and typically features a guaranteed rate of return, such as government bonds.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, showing how much each value in the set differs from the mean.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, commonly used in statistics to quantify the degree to which values differ from the average value.