Examlex
The idea that light consists of photons, bundles of pure energy, was first proposed by
Service Time
The duration or amount of time taken to complete a service or process, especially in contexts like customer service or computing.
Mean Difference
Mean difference is the measure of the average discrepancy between two sets of numbers, often used in comparing the central tendencies of two samples.
Null Hypothesis
A statement that assumes there is no significant difference or effect and serves as the starting point for hypothesis testing.
Significance Level
A threshold in statistical hypothesis testing that measures the probability of rejecting the null hypothesis when it is true, commonly set at values like 0.05 or 0.01.
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