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PT Provider Roundtable Chuck Wibby College of New Jersey February 26, 2004.

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Presentation on theme: "PT Provider Roundtable Chuck Wibby College of New Jersey February 26, 2004."— Presentation transcript:

1 PT Provider Roundtable Chuck Wibby College of New Jersey February 26, 2004

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3 NELAC Acceptance Limits Fixed Limits +15% Centered on assigned value (100% concentration) Regression equations Centered on expected mean recovery Regression equation SDs Combinations Centered on study mean Regression equation SDs

4 Regression equations

5 Y = mx + b a, b, c, d???? Predicted mean = (Assigned Value * a) + b Predicted SD = (Assigned Value * c) + d WS Acceptance Limits = Pred mean + 2 * Pred SD WP Acceptance Limits = Pred mean + 3 * Pred SD

6 Manufacturing

7 Verification

8 Homogeneity

9 Post Study

10 Stability

11 Post Study

12 Thank You! Chuck Wibby , ext 201 Keith Ward , ext 202 Ty Garber , ext 213


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