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Volume 2 · Chapter 1 · Textbook Exercises · Q23
Original textbook exercise · Select the image to enlargeRead the question as text
The table below shows an aggregation of the number of defective products by each products.
How many types of products are there in group A, which are required for an action on the
basis of an ABC analysis? It can be assumed that group A represents a cumulative percentage
of 70%.
Product
P
Q
R
S
T
U
V
W
X
Total
Count
182
136
120
98
91
83
70
60
35
875
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Source: FE Vol 2.pdf, PDF page 142, textbook p. 138 · Information-technology Promotion Agency, Japan · First Edition: April, 2015. ID: tb-v2-c1-q23. Publisher answer and commentary · private review.