Business Statistics A First Course Sharpe Pdf File

Credit Card Bank Like all credit and charge card companies, this company makes money on each of its cardholders’ transactions. Thus, its profitability is directly linked to card usage. To increase customer spending on its cards, the company sends many different offers to its cardholders, and market researchers analyze the results to see which offers yield the largest increases in the average amount charged.

On your disk (in the file Credit Card Bank) is part of a database like the one used by the researchers. For each customer, it contains several variables in a spreadsheet. Examine the data in the data file. List as many of the W’s as you can for these data and classify each variable as categorical or quantitative. If quantitative, identify the units. Borderlands 2 Profile Editor Ps3 Download.

• Who has been sampled? – Cardholders of the company. • What has been measured? –Offer status, charges made by the credit card holders in August 2008, September 2008 and October 2008, Marketing segment, Industry segment, amount of spend lift after promotion, average spending pre and post promotion, whether or not the card holders are retail customers, whether or not the card holders are enrolled the program and whether or not the amount of spend lift is positive. • When the survey has been conducted?

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– Probably in 2008. • How the study has been conducted?

– Most probably the data has been collected at the time of opening of the card account and the spending data has been collected during transaction. • Where the survey has been conducted? – It is not specified. • Why the survey has been conducted? – To examine the type of offers which is valuable in increasing the spending of credit card. • What is the source?

– It is not specified. Classification of each variable: • Offer status – This is a categorical variable. Since it cannot be measured numerically. • Charges August 2008 – This is a quantitative variable.

Since, it can be measured numerically. The unit of measurement is dollars ($). • Charges September 2008 – This is a quantitative variable. Since, it can be measured numerically. The unit of measurement is dollars ($). • Charges 2008 – This is a quantitative variable.

Since, it can be measured numerically. The unit of measurement is dollars ($).

• Marketing segment – This is a categorical variable. Since it cannot be measured numerically. • Industry segment – This is a categorical variable. Since it cannot be measured numerically. • Spend lift After Promotion – This is a quantitative variable. Since, it can be measured numerically. • Pre promotion Avg Spend – This is a quantitative variable.

Since, it can be measured numerically. The unit of measurement is dollars ($). • Post promotion Avg Spend – This is a quantitative variable. Since, it can be measured numerically.

The unit of measurement is dollars ($). • Retail customer – This is a categorical variable. Since it cannot be measured numerically. Star Wars Lightsaber Pepakura Files Goggles. • Enrolled in program – This is a categorical variable. Since it cannot be measured numerically.

• Spend lift Positive – This is a categorical variable. Since it cannot be measured numerically.

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