Examlex
When it is either not possible or unethical to manipulate an independent variable, which research method would be optimal?
Normally Distributed
Refers to a type of probability distribution that is evenly balanced around the mean, indicating that values close to the mean occur more often than values further from the mean.
Population
The entire group of individuals or instances about whom the data is collected and which the statistical analysis is based upon.
Confidence Interval
A span of values, coming from sample observations, expected to include the value of a not-yet-identified population characteristic.
Degrees Of Freedom
The number of independent data points in a statistical calculation that are free to vary.
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