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Parallelism of Test Items: Estimating the Means (µ), Variances (σ2) and Covariances (Cσ2) of Alternate Test Forms

by Simon Ntumi, Sheilla Agbenyo and Tapela Bulala

International Journal of Data Envelopment Analysis and *Operations Research*. 2022, 3(1), 1-7. DOI: 10.12691/ijdeaor-3-1-1
Pub. Date: February 23, 2022Views: 5334 Downloads: 8608Like: 0

parallelism alternate test forms means variances and covariances

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