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For the exponential distribution,the mean and standard deviation are equal.
Value
The importance, worth, or usefulness of something or the financial benefit that a good or service brings to its purchaser.
Up
An increase or rise in value, level, or quantity.
X-variable
Typically refers to an independent variable in mathematical functions or statistical models, representing an input or cause that might affect an outcome.
Y-variable
A dependent variable in mathematical modeling, statistics, or scientific experiments, typically representing the outcome or result that is influenced by other variables.
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