Problem 7-10
| The data in the table below represent time study observations for a woodworking operation. (Hint: See Solved Problems section.) |
| OBSERVATIONS (minutes per cycle) | |||||||
| Element | Performance Rating |
1 | 2 | 3 | 4 | 5 | 6 |
| 1 | 110% | 1.20 | 1.17 | 1.16 | 1.22 | 1.24 | 1.15 |
| 2 | 115 | 0.83 | 0.87 | 0.78 | 0.82 | 0.85 | 1.32* |
| 3 | 105 | 0.58 | 0.53 | 0.52 | 0.59 | 0.60 | 0.54 |
|
|
|||||||
| *Unusual delay, disregard time. |
| a. | Based on the observations, determine the standard time for the operation, assuming an allowance of 15 percent of job time. (Round your intermediate calculations and final answers to 3 decimal places.) |
| Element | Standard time |
| 1 | [removed] |
| 2 | [removed] |
| 3 | [removed] |
|
|
|
| b. | How many observations would be needed to estimate the mean time for element 2 within 1 percent of its true value with a 95.5 percent confidence? (Round your intermediate calculations to 3 decimal places and round up your final answer to the next whole number.) |
| Number of observations | [removed] |
| c. | How many observations would be needed to estimate the mean time for element 2 within .01 minute of its true value with a 95.5 percent confidence? (Round your intermediate calculations to 3 decimal places and round up your final answer to the next whole number.) |
| Number of observations | [removed] |
woodworking operation was first posted on September 18, 2019 at 5:22 pm.
©2019 “Instant Assignments”. Use of this feed is for personal non-commercial use only. If you are not reading this article in your feed reader, then the site is guilty of copyright infringement. Please contact me at administrator@instantassignments.com
WE WRITE ESSAYS FOR STUDENTS
Tell us about your assignment and we will find the best writer for your paper.
Write My Essay For Me
Let our team of professional writers take care of your essays for you! We provide quality and plagiarism free academic papers written from scratch. Sit back, relax, and leave the writing to us! Meet some of our best research paper writing experts. We obey strict privacy policies to secure every byte of information between you and us.
ORDER ORIGINAL ANSWERS WRITTEN FROM SCRATCH
