Personal identification number (PIN) pads are devices that connect to point-of-sale electronic cash registers for debit and
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Manufacturer Number Shipped (units)
Bitel ................ 13,500
CyberNet .............. 16,200
Fujian Landi ............ 119,000
Glintt (ParaRede) ........... 5,990
Intelligent .............. 4,562
KwangWoo .............. 42,000
Omron .............. 20,000
Pax Tech. ............. 10,072
ProvencoCadmus .......... 20,000
SZZT Electronics .......... 67,300
Toshiba TEC ............. 12,415
Urmet ................ 3,000
a. One of the 334,039 PIN pads is selected and the manufacturer of the pad is determined. What type of data (quantitative or qualitative) is measured?
b. Construct a frequency bar chart for the data summarized in the table.
c. Convert the frequency bar chart, part b, into a Pareto diagram. Interpret the results.
MINITAB Output for Exercise 2.12
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