By K. Winkler, W. Murphy

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65) V(o) = yiynV(3) (eq. 66) (n-i) (y^) V (x } = (eq 2>6 67) (Vn+yo2'2Vi)v(e) - s o The random error variance of x0 is zero since y0 is assumed to be measured without error in the cumulative model. In tank calibration applications, one is often interested in transfer amounts as determined by noting the difference between two measured responses, (yoz'^oi^' The transfer amount, 3(yo2~yoi) nas a systematic error variance given by - 2-6-68) 2-46 - 49 - For the total of m transfers, 2 V(3) 021 (eq. 69) Basis As is seen from (eq.

Estimate the total amount of plutonium in these four coupons, and find the associated random and systematic error variances. The quantities Sj-Ss are calculated. 4159 By (eq. 19) and (eq. 5057 For the four coupons counted, from (eq. 499 From (eq. 25), (eq. 23), and (eq. 5 (a), assume that the intercept is known to be a = 10. ,- = Y + 3 (x. - x), where x = average of the n x. 5. The parameter estimates are: Y = S^/n (eq. 28a) ß = (S2-S1S4/n)/(S3-S12/n) (eq. 29) (n-2) S2 = Sg-S^/n - (S2-S1Slf/n)2/(S3-S12/n) (eq.

5. The formulas for Vr(x0) and VS(XQ) are based on methods for propagating errors to be covered in Chapter 3. 9 (a) NDA measurements of percent U-235 are to be made on Zr/U billets. No physical standards are available. A randomly selected billet is measured 10 times by NDA and then sectioned to provide samples for destructive analyses. Some 14 determinations are made of percent U-235 on these samples, and 21 determinations of percent uranium. The response of interest is the percent U-235 in the billet.

### Acoustic Velocity and Attenuation in Porous Rocks [short article] by K. Winkler, W. Murphy

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