Question-2a.The data shown in the Table below are chemical process yield readings on 25 successive days.Calculate the sample mean, 16 % trimmed mean and standard deviation of the yield readings.94.1 87.3 63.2 90.6 88.2 86.1 95.1 86.6 86.1 90.4 89.1 94.6 96.394.7 91.1 85.4 84.2 88.3 82.9 83.6 85.1 97.3 88.2 93.1 87.6b. Hydraulic landing assemblies coming from an aircraft rework facility are each inspected for defects.Historical records indicate that 8 % have defects in shafts only, 7 % have defects in bushing only, and2% have defects in both shafts and bushings. One of the hydraulic assemblies is selected randomly.What is the probability that the assembly hasI. at least one defect.II. neither type of defect.III. not bushing defect.

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Answered: a. The data shown in the Table below…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use technology to find the range, variance, and standard deviation. If another value, 8.00, is added to those listed in the data set, do the measures of variation change much? 3.272.452.542.432.752.372.192.421.911.432.851.731.992.322.332.704.742.873.382.722.833.423.952.993.873.473.082.942.703.602.842.373.033.232.593.643.242.662.352.432.813.952.522.922.983.412.272.562.933.162.201.151.934.002.542.832.352.311.522.801.951.602.452.332.081.553.201.491.812.551.662.352.452.082.192.752.002.792.392.671.692.881.841.991.862.561.972.183.671.553.162.461.881.502.793.283.822.752.452.712.541.642.183.032.361.481.922.322.651.411.391.802.242.302.481.732.402.442.482.44
A team of ten (10) construction workers who are working on a project are classified according to the skill levels, Classes A to D. The table below shows the number of workers in each of the four (4) classes and their respective hourly pay-rate. Pay-rate (Rands/hour) Number of workers Class A 80 Class B 60 Class C 55 Class D 50 4. Calculate the mean hourly pay-rate for the 10 workers. A. R24.50/hour B. R57/hour C. R57.50/hour D. R61.75/hour
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Use no. 16 in table 2 whenever necessary. Indicate the steps in doing it on excel file.
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