Percentage of Shrimp in Shrimp Cocktail
A numeric vector with 18 determinations by different laboratories of the amount (percentage of the declared total weight) of shrimp in shrimp cocktail.
F. J. King and J. J. Ryan (1976) Collaborative study of the determination of the amount of shrimp in shrimp cocktail. J. Off. Anal. Chem. 59, 644--649.
R. G. Staudte and S. J. Sheather (1990) Robust Estimation and Testing. Wiley.