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April 21, 2014

Homework Help: statistic/Psychology

Posted by Crystal on Saturday, July 27, 2013 at 12:17pm.

According to classical test theory if the observed variance of a test is 50 and the true variance is 40 what is the estimated reliability of the test?
a. 0.40
b. 0.50
c.0.80
d. 0.90

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