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Developing countries are characterized by low population growth rates.
Observed Frequencies
The number of times a particular value or event actually occurs in a dataset.
Expected Frequencies
In statistical analysis, these refer to the counts predicted by a probability model or theoretical distribution, used in the comparison of observed data for goodness-of-fit tests.
Contingency Table
A table often used in statistics to show the frequency distribution of variables, helping in the analysis of the relationship between them.
Equality Of Variances
A statistical condition in which two or more groups have the same variance, often an assumption in certain tests of significance.
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