Day 1 Day 2Day 3Day 4Day 5Day 6Day 7Average3135.540.5343937.5time forTotalprocessAverage15171824time forMouldingAverage4.575.5time forfinishingAverage10119.8.510812time forpackingFactory manager claims that there is a positive relationship betweenmoulding time and total time taken for the process. As the productionengineer you need to test this hypothesis using the above data. If thereis a relationship, provide the best fitted straight line for the above datausing linear regression.You should interpret your results||20253120

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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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Refer to the accompanying data set and use the 30 screw lengths to construct a frequency distribution. Begin with a lower class limit of 3.470 in., and use a class width of 0.010 in. The screws were labeled as having a length of 3 1/2 in. Click on icon to view the data. Complete the frequency distribution below. ..... Length (in.) Frequency 3.470 - (Type integers or decimals rounded to the nearest thousandth as needed.) Next MacBook DII DD F12 F10 F11 888 F8 F9 F6 F7 F4 F5 esc F3 F1 & ! @ # $ 7 8. 1 3 4 { W E R Y Q K
What is the following: 1. Sum of XY 2. a=? 3. b=?
26 14 30 45 20 21 27 32 40 Age of residents in a neighbourhood 50 9 37 40 36 13 52 10 35 12 36 57 28 51 47 48 42 42 52 1 53 Create a box-and-whisker plot for the data. If you use technology copy and paste the graph into your solutions document. If you prepare it by hand use a ruler and take a clear, well-lit photograph or scan and insert it as an image into your document.
10.23. Question. An umbrella-shaped island has a population of 499 healthy people. Alice, who is injected with the T-virus, enters the island on day 0. It is known that anyone infected with the T-virus will become a zombie after 24 hours. Assume that the infected (zombies are considered infected) will spread the virus (through biting) and no one on this island can escape from it. The rate of virus transmission is proportional to the product of the number of infected and non-infected. Thus, if x(t) denotes the number of the infected on day t, then dx dt = kx(500 — x). On day 10, it is observed that 20 people are already infected. Answer the following questions. (a) How many zombies are on the island on day 16? (b) On day 20, how many people are infected but not yet turned into a zombie? (c) A rescue boat with 50 available seats is to be sent to the island. What is the earliest day the boat should be sent to ensure it can rescue all survivors (those not infected)?
Assignment: Analyze Filling Line Problems Using Control Charting Attached Files: File Filling line example for X-bar & control chart.xlsxOpen this document with ReadSpeaker docReader (13.354 KB) Using the provided data, calculate the control limits (X-bar and r-chart, Capability Index, create a control chart, and calculate the percentage of units that are expected to be out of spec (z-value). Show your work A quick way to do the percents part of the filling line problem (you know, the percent underfilled, the percent overfilled, etc.), is to use Excel's norm.dist function rather than looking it up on a printed Z table. Use the norm.dist excel function with the LSL in the first position in the parameter list. Norm.dist gives you the left side return from the Z table. "Excel offers you the NORM.DIST statistical function for working with normal distributions. The NORM.DIST function calculates the probability that variable X falls below or at a specified value"…
4. "Emptying Cinema Hall": Most cinema halls empty their audience in a matter of 5 to 10 min. You are standing at the door of a cinema hall observing the rate at which people exit. The cinema hall has four exit doors. Give a reasonable way to estimate the number of seats without going in.
20. You pay $5.79 for 6 donuts and $9.9 for 12 donuts. The Golden Rule of Business is "More buying, more saving". How much you should pay if you buy 10 donuts? How much you should pay if you buy 18 donuts (please show your work). Recession Velocity (km/sec) 1000 500 Hubble's Data (1929) 1 Distance (Mpc) co 8 2
The average time to handle a call in a call center has a specification of 6 ± 1.25 minutes. The loss resulting from a mishandled call is $10. Five consecutive calls were drawn from the process and the results, in minutes, are as follows: 7.3 6.6 6.2 4.3 6.7 1. According to the conventional perspective, the quality loss per call = 2. The value of k in the Taguchi loss function = 3. The Quality loss per call according to the Taguchi perspective =
3. (5.7.12) On June 2, 2010 USA Today reported a story from Bloomberg News that said that the total price tag for the project to build the new F-35 Joint Strike Fighter would be 65% higher than the original $232 billion estimate. The cost now is estimated to be $382 billion. The total cost of each plane would be $112.4 million, up 81% from the original $62 million. The cost to produce each plane would be $92.4 million, about 85% higher than the original estimate of $50 million. a. Check the arithmetic to see that the three percentage increases reported are correct. b. Can you explain how the project cost can have increased by just 65% when the overall total per plane increased by 81% and the construction cost alone increased by almost 85%?
2.) Consider an M/M/2 system with an arrival rate of 9 per minute and a service rate of 8 per minute. What is the average time a customer spends in the system? Take your answer to three decimal places. Omit the units in your answer.
IV. APPLICATION AND ANALYSIS ON QUEUING THEORY. Direction: Given the following assumptions, derive the answer/s for each question. In answering the questions, copy the questions into the Output Area and write your answers after each question. Assumptions: Mean Arrival Rate (2) = 3 customers/hour Number of Ser vers (C ) = 1 Mean Service Rate (U) = 4 customer s/hour 1. Calculate and determine the Occupation Rate. (p) 2. What is the average number in system average (L)? 3. Determine the average system in system (W). 4. What is the average time in queue (Wq)? 5. Determine the length of queue (Lq). Capacity Demand p = Available Capacity u =- L=p/(1- p) Lq= p2/(1- p) = L-p W=LA=1/(u- 2) We-Lψλ- λ( μ(μ- λ)

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