Question

In: Civil Engineering

Consider an experiment with an objective of determining the effects of surface-finish finish & time of...

Consider an experiment with an objective of determining the effects of surface-finish finish & time of curing on the strength of a glue bond of two wood pieces. The experiment will be conducted using a tensile test machine. You are to design this experiment beginning with the need statement and completing the function structure.

  1. What is the need statement?
  2. What are 4 functional requirements (high level)?
  3. What are 2nd level requirements for the high level ones above?

Solutions

Expert Solution


Related Solutions

An engineer suspects that the surface finish of a metal part is influenced by the feed...
An engineer suspects that the surface finish of a metal part is influenced by the feed rate and the depth of cut. He selects three feed rates and four depths of cut. He then conducts a factorial experiment and obtains the following data: Depth of Cut (in) Feed Rate (in/min) 0.15 0.18 0.20 0.25  74  79  82  99 0.20  64  68  88 104  60  73  92  96  92  98  99 104 0.25  86 104 108 110  88  88  95  99  ...
Consider an experiment to determine the effects of alcohol and marijuana on driving. Five randomly selected...
Consider an experiment to determine the effects of alcohol and marijuana on driving. Five randomly selected subjects were given alcohol to produce legal drunkenness and then are given a simulated driving test (10 a top score; 0 a bottom score). Five different randomly selected subjects are given marijuana and the same driving test. Finally, a control group of five subjects is tested for driving while sober.   Mean                                    St. Deviation Alcohol                                 2.4                                          1.3 Drugs                                    3.6                                          1.8 Control                                 6.8                                         ...
Two quality control technicians measured the surface finish of a metal part. Measurements are in the...
Two quality control technicians measured the surface finish of a metal part. Measurements are in the following table. Assume that the data are normally distributed. (a) State and test the hypothesis that the mean surface finish measurements made by the two technicians are equal at alpha = 0.05 assuming equal variances. (b) State and test the hypothesis that the variances are equal at alpha = 0.05 to verify the assumption of equal variances. Explains the steps to complete this using...
Two Ways ANOVA An engineer suspects that the surface finish of a metal part is influenced...
Two Ways ANOVA An engineer suspects that the surface finish of a metal part is influenced by the feed rate and the depth of cut. She selects three feed rates and four depths of cut. She then conducts a factorial experiment and obtains the following data: (Use Minitab) Depth of Cut (in) Feed Rate (in/min) 0.15 0.18 0.20 0.25 74 79 82 99 0.20 64 68 88 104 60 73 92 96 92 98 99 104 0.25 86 104 108...
Experiment 4 Dr. Brown wanted to observe the effects of music genre on surgical recovery time....
Experiment 4 Dr. Brown wanted to observe the effects of music genre on surgical recovery time. Dr. Brown set up an experiment in which participants were randomly assigned to listen to one of three different genres of music (rap, metal, or country). Participants were patients who had just received liposuction; they listened to their assigned music genre for 2 hours each day until discharged from the hospital. Dr. Brown recorded the number of days the patients remained in the hospital....
Question 3. - Please do c, d and e An engineer suspects that the surface finish...
Question 3. - Please do c, d and e An engineer suspects that the surface finish of a metal part is influenced by the feed rate and the depth of cut of a particular manufacturing machine. An experiment is conducted and the data can be found in SurfaceFinish.jmp on eCampus. a. State the two-way ANOVA model corresponding to this data. Be sure to define each term in your model and list any assumptions that are made. b. Perform the test...
In a random sample of 85 automobile engine crankshaft bearings, 10 have a surface finish that...
In a random sample of 85 automobile engine crankshaft bearings, 10 have a surface finish that is rougher than the specifications allow. (a) Find a point estimate for the true proportion of crankshaft bearings that exceeds the roughness specification. (b) Find a 95% two-sided confidence interval for the proportion of bearing in the population that exceeds the roughness specification. (c) What is the margin of error?
The mean time it is taking a group of students to finish a statistics homework is...
The mean time it is taking a group of students to finish a statistics homework is 105 minutes with standard deviation of 19 minutes. Assume that the time is approximately normally distributed. a) Within which limits you would expect approximately 50% of the students to complete the homework? 95% of the students? b) In the group the finishing times were 76, 98, 93, 115, 65, 117. Check the data for outliers. c) If you do not assume normality for time...
Two quality control technicians measured the surface finish of a metal part, obtaining the data shown....
Two quality control technicians measured the surface finish of a metal part, obtaining the data shown. Assume that the measurements are normally distributed. Use Minitab© for all tests and calculations. Tech 1 1.45 1.37 1.21 1.54 1.48 1.29 1.34 * Tech 2 1.54 1.41 1.56 1.37 1.20 1.31 1.27 1.35 a) Does the normality assumption seem reasonable for the data? Are the variances equal? How do you know? b) The supervisor asks you to test the hypothesis that the difference...
Two quality control t echnicians measured the surface finish of a metal part, obtaining the data...
Two quality control t echnicians measured the surface finish of a metal part, obtaining the data in Table 4E.1. Assume that the measurements are normally distributed. Technician 1: (1.45, 1.37,1.21,1.54,1.48,1.29,1.34) Technican 2: ( 1.54, 1.41, 1.56, 1.37, 1.20 ,1.31, 1.27, 1.35 ) (d) Test the hypothesis that the variances of the measurements made by the two technicians are equal. Use What are the practical implications if the null hypothesis is rejected? (e) Construct a 95% confidence interval estimate of the...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT