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Re:My students cheated... a lot by actually_a_dog on Sunday May 29, 2022 @04:02PM (#31552380)
No, it's about why only a subset of students get singled out for extra scrutiny, literally arbitrarily, as the selection procedure itself is defined as "random sampling."
Re:My students cheated... a lot by mygo on Friday June 03, 2022 @12:11PM (#31610301)
random sampling is an effective method for inferring the same information about the larger population that is being measured in the smaller sample, to a certain degree of confidence based on the sample size and known distribution of what is being measured. These concepts are fundamental to statistics.