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April 25, 2015

Homework Help: statictics

Posted by Joyce on Sunday, October 27, 2013 at 10:44am.

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?
Answer
a.
0.40
b.
0.50
c.
0.80
d.
0.90

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