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Histogram (mass distribution map) concept
A histogram is a graph used to represent the distribution of product quality. It is an important tool for finding problems that affect product quality. The various original recorded data in the mineral processing process are often disorganized. In order to find out the laws in the data, it is necessary to statistically sort the data and divide it into several groups, drawing the group with the abscissa and the ordinate. For the rectangular diagram of the many straight squares of the frequency, see the figure below. Through the graphical observation of the status quo and changing trend of concentrate quality, judging and predicting the quality of the concentrate and the law of development, and further estimating the number of non-conforming products that may be generated, so that measures can be taken to adjust and prevent unqualified products. produce.