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. The sum scores xi for subject matter I've sample suggest x¯ and sample variance sx2, wherever sample suggest and variance are calculated over topics. Each and every exam merchandise has response yij, with i indexing matter and j indexing merchandise, and the place y¯j is definitely the mean reaction https://kuderrichardsonreliabilit72625.ampblogs.com/kuder-richardson-20-can-be-fun-for-anyone-63465372

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