The data describe the 128 plants which are measures of the phosphorus concentration in the leaves.
Recently, it is used by Silva et al. (2015) and fitted The compound class of extended Weibull power
series distributions.
References
Silva, R. B., Bourguignon, M., Dias, C. R., & Cordeiro, G. M. (2013). The compound class of extended Weibull power
series distributions. Computational Statistics & Data Analysis, 58, 352-367.