Examlex
Which of the following statements about Canada's international trade in 2013 is correct?
Population Variance
A measure of the dispersion or spread of a population dataset, calculated as the average of the squared differences from the population mean.
Confidence Interval
A range of values derived from sample data that is likely to contain the value of an unknown population parameter.
Sample Variance
A measure of variability or spread in a sample dataset, indicating how much the individual sample points deviate from the sample mean.
Critical Value
The threshold value that a test statistic must exceed to reject the null hypothesis in a statistical test, determined by the significance level of the test.
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