CUR
发表于 2025-3-28 18:09:52
Hans-Dieter Görtz,Franz Brümmer sample . of size . is selected. The probability of selecting each of the . possible systematic samples is .. For example, ., so .. Select a random number from 1 to 30; for instance, if it is 3, then the units selected are 3, 33, 63, 93, 123, 153, 183, 213, 243, 273.
装勇敢地做
发表于 2025-3-28 19:29:32
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SPECT
发表于 2025-3-29 00:08:45
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胶水
发表于 2025-3-29 05:50:59
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photophobia
发表于 2025-3-29 08:55:59
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饰带
发表于 2025-3-29 11:38:11
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吃掉
发表于 2025-3-29 17:54:50
https://doi.org/10.1007/978-3-8274-3006-9s. A cluster may be a class of students or cultivator fields in a village. When a sampling unit is a cluster, the procedure of sampling is called cluster sampling. Cluster sampling is a sampling technique in which the entire population of interest is divided into clusters, and a sample of these clus
法官
发表于 2025-3-29 20:04:24
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cavity
发表于 2025-3-30 03:09:40
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矛盾
发表于 2025-3-30 05:58:51
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