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. 
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:
Software Upgrade
The process of replacing an existing software with a newer or better version to improve functionality or fix issues.
Demand Curve
The demand curve is a graphical representation of the relationship between the price of a good and the quantity demanded, showing how the quantity demanded changes in response to changes in price.
Initial Purchase
The first acquisition of a good or service by a consumer, often marking the beginning of the consumption experience.
Income Elasticity of Demand
An indicator of the variation in demand for a product based on changes in consumer income.
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