MBA Operations Management - Case Study Guides - 10: CHICAGO SOUTHERN HOSPITAL

CHICAGO SOUTHERN HOSPITAL

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 1. Sampling plan:
 Do studies on all shifts (probably four shifts; three each
day plus the weekend shift) to get data on workload dif
ferences by shift. Then cross-check with other studies by
function (intensive care, maternity, post operation, etc.). If
identifiable differences are present, then judgments will
need to be made about additional studies.
 It may well be that major differences exist, suggesting that
more extensive studies be made.
 Generate a random sample of which nurse to sample when
using a true random device, such as the random number
table provided in the text in Appendix III.
 Perform an adequate number of samples (per Question 2).
LO 10.5: Identify four ways of establishing labor standards
AACSB: Analytical thinking
  
  

   
2 2
2 2
(1 ) (1.96) (0.15)(0.85)
Sample size
(0.04)
3.84 0.1275 0.49
306.13 307
0.0016 0.0016
Z p p
n
h
2.
Note: The sample size will change if the 15% vs. 85% is not
close to accurate. This difference may suggest that a larger sample
be taken.
LO 10.7: Find the proper sample size for a time study
AACSB: Analytical thinking
3. By structuring the study across different nurses, different
shifts, and different hospital processes (areas/functions), there
should be an adequately diverse cross section. Some postsample
check to ensure a mix of nurses, shifts, and functions should be
made.
LO 10.7: Find the proper sample size for a time study
AACSB: Analytical thinking
 

 

 

 

 

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Operations Management: Sustainability and Supply Chain Management, 12th Edition (Free Ebooks Download)
Jay Heizer, Texas Lutheran University
Barry Render, Graduate School of Business, Rollins College
Chuck Munson, Carson College of Business, Washington State University

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