Control charts are widely used to monitor the quality of industrial processes. It is quite common to assume that the random variable associated to the quality characteristic has a Normal distribution, and the control limits are defined so that the probability of obtaining a false alarm is...

Pecans (Carya Illinoinensis [Wangenh] K. Koch) are a native food of North America andrepresent a high economic crop value in the north of Mexico, mainly in the state of Chihuahua,the biggest pecan nut producer in this country. The goal of this study was to evaluate theprofitability of pecan...