Elaborate in a paragraph what methodology would you use to solve this problem. U

Question

Elaborate in a paragraph what methodology would you use to solve this problem. Using statistics methods only. 2. A water jet cutter is being used to cut an expensive part for commercial aircraft. Each cutting process takes 16 hours and hence is labor intensive. After the cut, the surface roughness of the machined part is measured. Often, the measured roughness seems to be higher than normal. The process engineer explains to you the process: The variable are the water jet pressure (varies from 30 to 40 psi), abrasive flow rate (varies from 1 to 4 lb/min), jet traverse speed (varies from 2 to 6 in/min), and abrasive grain size (varies from 72 to 150 microns). The engineer would like to find out: The variable that is most responsible for surface roughness and the combination of two variables that together causes surface roughness. Elaborate how you would direct the engineer to solve this problem

Explanation / Answer

we can use the correration method for solving this problem

the engineer should collect a data by cutting the aircraft at different lavel of varialbles and then finding the rounghness

he can then use the correration methods to find out the most responsible variable and combination of variables also

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