Examlex
Which of the following are correct statements concerning the NYSE?
I.Each stock has a designated location, called a post, at which its shares are traded.
II.The NYSE is a dealer market.
III.Supply and demand determines the price of each security.
IV.A specialist buys and sells to maintain a market for a particular security.
Variance
A measure of the dispersion or spread of a set of data points, indicating how much they differ from the mean.
Range
The difference between the highest and lowest values in a data set, indicating the spread or dispersion of the set.
Chebyshev's Theorem
A statistical theorem that gives an inequality for assessing the probability that a random variable differs from its mean.
Empirical Rules
A statistical rule stating that for a normal distribution, nearly all data will fall within three standard deviations of the mean.
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