The Yearly Prices (rounded to the nearest dollar)for GLD a gold exchange traded fund and SLV a silver exchange traded fund are reported in the following table. 
a.Calculate the sample variance and sample standard deviation for the GLD ETF and SLV ETF.
B)Which asset had a greater variance?
C)Which asset had the greater relative dispersion?
Definitions:
Hypothalamus
A region of the brain that plays a central role in controlling hunger, thirst, sleep, body temperature, and other autonomic nervous system functions.
Leptin
A hormone that plays a key role in appetite and metabolism.
Appetite
A natural desire to satisfy a bodily need, especially for food.
Metabolism
The chemical processes that occur within a living organism in order to maintain life, involving the conversion of food into energy.
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