The Distribution of the Coefficient of Variation; Comment on A criticism made by Koopmans, Owen and Rosenblatt

(1) Biometrika (1963), 50, 335–52. ‘The choice of a second order rotatable design.’ By G. E. P. Box and N. R. DRAPER p. 343. In equation (2.3-1) in the denominator of the third term on the right-hand side read −3kλ2 for −3λ2.