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Speculators profit by buying low and selling high, which has the benefit of smoothing price swings in the market.
Standard Deviations
An indicator of how widely values in a dataset are spread out from the average, showing the degree to which these numbers vary from their mean.
Nominal Data
A classification of categorical variables that do not have a natural order or rank.
Interval Data
A type of quantitative data that involves measurements where the difference between two values is meaningful, but there is no true zero point.
Bimodal Data
Data that has two different modes, or peaks, in its frequency distribution.
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Q254: The elasticity of demand for a particular