Examlex
_____ is a form of social grouping in which males play and associate with other males and females play and associate with other females.
Proportions
Ratios that compare the part of a whole to the whole itself, often expressed in terms of a fraction or percentage.
Chi-squared Goodness-of-fit Test
A statistical test used to determine whether observed frequencies differ significantly from expected frequencies specified by a theoretical distribution.
Rule of Five
An empirical rule suggesting that extreme observations in data, more than five standard deviations from the mean, are rare.
Expected Value
The long-term average value of a random variable over numerous trials.
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