Memorandum to

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legal memorandum revised


The analysis of the effects of the simulation test leads to a deeper explanation of the problem at hand. Therefore, I shall perform a mean, median, mode, default and variance analysis of the presented information in order to decide how they compare to the standard requirement of 3.50 micron. The mean is that the 45 test runs in the sample are averaged. Both values are determined by adding and dipping by 45. The result of this table will allow us to understand whether the wear of the shaft is within or beyond the required safety range. The mode is only the measurement of the most common data. Although the average value would be averaged for the test shaft test sets, the mode emphasizes the most frequent consumer wear value (Wasserman, 2010). Variance and standard deviation are also indicators, in plain words, of how far each number in the set is far from the average. Both calculate the distribution of data in the collection, the 45 samples in this case.

The decision in this case depends on the data analysts' behaviour. This expert research focuses on the appropriate safety standard. When the study shows the shaft wears exceed 3.50 microns, there is a significant possibility that harsh weather conditions will lead to a fuel pump failure. In the other hand, if the study shows that the tear values are below 3.50 microns, no predictable threats would be present. The findings of the test run data were analyzed: average (2.44), mode (0.49), median (2.49), variation (1.04911651), and normal difference (1.10). These figures provide a hint of the expectations in my expert study of this issue. This means that we approximate the fuel pump shaft output against defined specifications roughly. Data analyzing findings show that the average wear value of the copper-conducted shaft surface is below the 3.5 microns norm. For this study, the approximate standard deviation value is 1.05. Simply put, the maximum or lowest difference between the numbers and the mean is 1.05. This allows one to assess the approximate highest average shaft area tear of 2.44 + 1.05 = 3.54 for this model. In contrast, 2.49 – 1.05 = 3.49 is the lowest medium shaft space. The use of variance enables one to analyze the distribution of the median value data, i.e. 2.49. By a deviation of 1.05, the highest average median-value data distribution is 2.49 + 1.0.5 = 3.54 and the lowest average median-value distribution is 2.50 − 1.21 = 1.29. What do these variance values and standard deviation mean for the problem? The results of this review are enough to draw conclusions on this matter. The sampled simulation test demonstrated that the company produced copper-lead shaft surfaces for automobile fuel pumps under industry-defined requirements. A confidence rating of 0,01 means that the majority of shafts on this model wear 2.49 microns over a useful life of 250 000 miles.

Through my decades of familiarity with mechanical and industrial mechanics, the wear of a shaft is due to gravity under natural working conditions. Although lubricating oil is intended to minimize the surface friction in the fuel shaft pump, certain lubricants carry minute particles that add more to the wear (Bruce, 2012). (Bruce, 2012). At first, the wear is sluggish and gradual; but, overtime, it leaves significant losses on the shaft. These minute particles are very tiny and allow the car manufacturers to move through regular filters. The alternative is to make the shaft's surface harder (Smith & Hashemi, 2010). Many automotive makers have used copper-leading bearing material for effective pump shafting of diesel. It consists of a fine, plumbed copper sponge. The copper in the shaft has a physical resistance to withstand break and wear when the lead works as the carrying material. However, the functionality of these metals in the shaft is not easy to discern entirely. Copper has a significant surface area of the shaft. A small amount of indium in the copper lead compound will be an improvement on this model. Indium would help reinforce the shaft's surface (Holmberg & Matthews, 2014). Furthermore, its low melting point would cause the compound to melt locally without losing the oil film. However, the result of a copper lead bearing is good for a fuel pump shaft.

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