Abstract
The process of measuring the performance of gas cooking appliances is based on the simple calculation of the arithmetic mean between the results obtained from different burners, without any metrological rigour related to the behavior of the data. This study proposes a new methodology and compares it against the traditional one. The proposed approach evaluates whether data are far apart on the normality, treats outliers and calculates the efficiency from the position measure inversely weighted by the dispersion measure of each burner. For the datasets studied, there may be divergences between the results found for the efficiency calculation when treated by the traditional approach and the proposed approach. However, this study recommends a detailed analysis of the algorithms used, in order to better understand the reason for the divergences found; as well as the implementation of measurement uncertainty calculation, in order to evaluate the partial overlap between specification ranges.
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