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Table 2. Instructions of how the items were constructed (Sample 1)
From
Parallelism of Test Items: Estimating the Means (µ), Variances (σ
2
) and Covariances (Cσ
2
) of Alternate Test Forms
Simon Ntumi, Sheilla Agbenyo, Tapela Bulala
International Journal of Data Envelopment Analysis and *Operations Research*
.
2022
, 3(1), 1-7
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