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Suppose that during an experimental study, a researcher splits the subjects into two groups. One group is exposed to the treatment, while the other is not. Measurement of the dependent variable for both groups is then taken. This is an example of a(n) :
Sample Size
The number of observations or units in a sample taken from a population for the purpose of statistical analysis.
Critical Value
A threshold value that is compared with the test statistic to determine whether the null hypothesis should be rejected in hypothesis testing.
True Average Weight
The actual mean weight calculated across a specified population or sample.
Sample Size
The number of observations or data points collected from a population to form a sample, used in statistical analysis.
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