If rxx = .85, and the standard deviation of x is 10, then the standard error of measurement for measure x is
A)3.873
B)3.16
C)3.50
D)3.30

Name: If rxx = .85, and the standard deviation of x is 10, then the standard error of measurement for measure x is A)3.873 B)3.16 C)3.50 D)3.30
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Quizplus · Accepted Answer

The standard error of measurement (SEM) is calculated using the formula SEM = SD * sqrt(1 - rxx). Here, SD = 10 and rxx = 0.85. So, SEM = 10 * sqrt(1 - 0.85) = 10 * sqrt(0.15) ≈ 3.873.

If Rxx = 85, and the Standard Deviation of X Is 10, Then