Examlex
The number of power outages at a nuclear power plant has a Poisson distribution with a mean of 6 outages per year.The probability that there will be exactly 3 power outages in a year is _____.
Error Variance
Random variability in a set of scores that is not the result of the independent variable. Statistically, the variability of each score from its group mean.
Between-Groups Variance
captures the differences in means across different groups in an experiment, reflecting how much group members vary from each other overall.
Within-Group Variance
The variation of observations within a single group or category, measuring how much individual scores differ from the mean of that group.
Statistical Significance
Refers to the likelihood that a result or relationship is caused by something other than mere random chance.
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