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If PXX 1 0.8 and 2 X = 30, what is the true score variance? A. 5.47 B. 2.45 C. 6 D. 24

If PXX¹0.8 and ²X = 30, what is the true score variance?

A. 5.47

B. 2.45

C. 6

D. 24

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Question

If PXX 1 0.8 and 2 X = 30, what is the true score variance? A. 5.47 B. 2.45 C. 6 D. 24