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Cluster sampling examples. Example 1: Assume that a study with relatively large square fixed area plots of 50 m x 50 m had been carried out, on which all tree positions were mapped. Because the individual plots were relatively large, there were only resources available to measure \(n=10\) sample plots.
The following are the descriptions of some statistical procedures to be used in the study. 1.) Percentage and rank. To get the percentage of the respondentÂ¶s demographic profile, the total frequency is divided by the number of cases multiplied by 100. (Calmorin, L.,2001). The formula is: Formula : P = f N.