Doncouse_Jeremy_Week6

Doncouse_Jeremy_Week6 - Out of 17 times, the average time...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Jeremy Doncouse MGMT 408 Case Study Chapter 10 1. How big should the sample be for a statistically accurate standard. Observation mean 1 2.05 1.9 0.15 0.02 2 1.92 1.9 0.02 0 3 2.01 1.9 0.11 0.01 4 1.89 1.9 -0.01 0 5 1.77 1.9 -0.13 0.02 6 1.8 1.9 -0.1 0.01 7 1.86 1.9 -0.04 0 8 1.83 1.9 -0.07 0 9 1.93 1.9 0.03 0 10 1.96 1.9 0.06 0 11 1.95 1.9 0.05 0 12 2.05 1.9 0.15 0.02 13 1.79 1.9 -0.11 0.01 14 1.82 1.9 -0.08 0.01 15 1.85 1.9 -0.05 0 16 1.85 1.9 -0.05 0 17 1.99 1.9 0.09 0.01 mean = 1.90 0.13 mean = 1.9 s = 0.09 z = 3 (table S10.1) h = .05 Therefore, round up to 9 observations. 2. Is the sample size adequate? Yes. 3. How many units should be produced at this workstation per day?
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Out of 17 times, the average time is 1.90. For a 7.5 hour work day there are 450 minutes. normal time = standard time = 450/2.33 = 193 units 4. What is the cost per unit for this task in direct labor hours? Cost per day per station is 12.50 * 8 = $100. If 193 units are produced, then the cost per unit is 193/$100 = $1.93. x i x i- mean (x i- mean) 2...
View Full Document

Ask a homework question - tutors are online