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Statistics for Business and Economics | 12th Edition | ISBN: 9780321826237 | Authors: James T. McClave, P. George Benson, Terry T Sincich
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PIN pad shipments. Personal identification number (PIN)

Chapter , Problem 7E

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QUESTION:

PIN pad shipments. Personal identification number (PIN) pads are devices that connect to point-of-sale electronic cash registers for debit and credit card purchases. The PIN pad allows the customer’s card to be accessed and the PIN encrypted before it is sent to the transaction manager.The Nilson Report (Oct. 2008) listed the volume of PIN pad shipments by manufacturers worldwide in 2007. For the 12 manufacturers listed in the table, a total of 334,039 PIN pads were shipped in 2007.

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.

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QUESTION:

PIN pad shipments. Personal identification number (PIN) pads are devices that connect to point-of-sale electronic cash registers for debit and credit card purchases. The PIN pad allows the customer’s card to be accessed and the PIN encrypted before it is sent to the transaction manager.The Nilson Report (Oct. 2008) listed the volume of PIN pad shipments by manufacturers worldwide in 2007. For the 12 manufacturers listed in the table, a total of 334,039 PIN pads were shipped in 2007.

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.

ANSWER:

Solution:

Step 1 of 4:

Here we are given with the data of number of PIN pads shipped in the year 2007 by 12 manufacturers.

                     Manufacturer

               Number shipped(units)

                  Bitel

                     13,500

                  CyberNet

                      16,200

                 Fujian Landi

                      1,19,000

                 Glintt

                       5990

                 Intelligent

                        4562

                 Kwang Woo

                         42,000

                Omran

                        20,000

                Pax Tech

                        10,072

                Provenco Cadmus

                        20,000

               SZZT Electronics

                        67,300

               Toshiba TEC

                        12,415

                Urmet

                         3,000

Using this data we have to obtained the required answers.

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