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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.
Figure 8 â Use of paired sample data analysis for one sample test. Observation: Since the two sample paired data case is equivalent to the one sample case, we can use the same approaches for calculating effect size and power as we used in One Sample t Test. In particular, Cohenâs effect size is.