Examlex
A product life cycle is a description of the life of a product from the time an early adopter buys it to the time when a laggard perceives a need to buy it.
Degrees of Freedom
The number of independent values or quantities that can vary in the calculation of a statistic, crucial for the assessment of the statistic's validity.
Goodness-of-fit Test
A statistical test used to determine how well observed sample data fits the expected distribution.
Poisson Distribution
A discrete probability distribution expressing the probability of a given number of events occurring in a fixed interval of time or space.
Null Hypothesis
A statement of no effect or no difference, used as a default hypothesis that there is no relationship between two measured phenomena.
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