Examlex
When constructing surveys, one should obey the laws of parsimony.
Standard Normal Distribution
A type of normal distribution where the mean is 0 and the standard deviation is 1, used in statistics for z-score calculations.
Variance
A statistical measurement of the dispersion or spread of a set of data points, indicating how much the individual data points differ from the mean.
Normally Distributed
Relates to a distribution that follows a normal distribution, with data symmetrically distributed around the mean.
Gasoline Prices
The cost per unit volume of gasoline, which can fluctuate based on several factors including crude oil prices, demand, taxes, and regulations.
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