In an effort to study the effect of four different preventive maintenance programs on downtimes (in minutes)
Question:
Test the hypothesis, H0: True medians of the four maintenance programs are equal versus Ha: Not all are equal. State any assumptions you have made to solve this problem.
Table 12.17 Downtimes by Program
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Related Book For
Mathematical Statistics With Applications In R
ISBN: 9780124171138
2nd Edition
Authors: Chris P. Tsokos, K.M. Ramachandran
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