1. The following table presents total retail sales in millions of dollars for the leading apparel companies during April 2008 and April 2009.

(a) Construct a table of row percentages.

(b) Construct a table of column percentages.

(c) Construct a table of total percentages.

(d) For Gap, what percent of total retail sales were in April 2008?

(e) Of the total retail sales in the sample, what percent was for Nordstrom?

2. One of the major measures of the quality of service provided by an organization is the speed with which the organization responds to customer complaints. A large family-held department store selling furniture and flooring, including carpet, has undergone a major expansion in the past several years. A business objective of the company is to reduce the time between when the complaint is received and when it is resolved. During a recent year, the company received 50 complaints concerning carpet installation. The data from the 50 complaints, given below, represent the number of days between the receipt of the complaint and the resolution of the complaint:

54 5 35 137 31 27 152 2 123 81 74 27

11 19 126 110 110 29 61 35 94 31 26 5

12 4 165 32 29 28 29 26 25 1 14 13

13 10 5 27 4 52 30 22 36 26 20 23

33 68

(a) Construct a frequency distribution.

(b) Construct a relative frequency distribution (that is, the percentage distribution).

(c) Construct a cumulative percentage distribution.

(d) On the basis of the results of (a) through (c), if you had to tell the president of the company how long a customer should expect to wait to have a complaint resolved, what would you say? Explain.

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