Examlex
A simple pendulum is suspended from the ceiling of an elevator.The elevator is accelerating upwards with acceleration a.The period of this pendulum, in terms of its length L, g and a is:
Null Hypothesis
An initial assumption which posits that no meaningful variance or impact exists, serving as the basis for beginning statistical analysis.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true, commonly denoted as alpha (α) and used as a threshold for determining statistical significance.
Statistically Significant
A determination that a relationship observed in a dataset is unlikely to have occurred by chance, according to a predefined significance level.
Significance Level
This is the probability of rejecting the null hypothesis when it is true, usually denoted by alpha (α), and used as a threshold for determining statistical significance.
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