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Portable Network Graphic  |  1994-04-29  |  46KB  |  816x1056  |  8-bit (256 colors)
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OCR: Adjusted Power and Confidence Interval When you look at power retrospectively you use estimates of tr standard error and the test parameters. Adjusted power is the power calculated from a more unbiased estimate of the noncentrality parameter. The confidence interval for the adjuste power is based on the confidence interval for the noncentrality estimate Adjusted power and confidence limits are only comput for the original IDeltal, because that is where the random variation Deltal variatior