Examlex
The futures market contains two basic types of traders: hedgers and speculators. Define the role played by each of these types of traders.
Null Hypothesis
A default hypothesis that there is no significant difference or relationship between specified populations or variables.
Operating Characteristic
A function or curve that describes the discerning capacity of a statistical test, defining the probabilities of accepting a hypothesis over a range of values.
Sample Size
The number of individuals or observations used in a study, affecting its power and the precision of the results.
Type II Error
A statistical error that occurs when a false null hypothesis is not rejected, missing an actual effect or difference.
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