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1. At the final assembly factory of Mitsuyota cars, the car's engine and transmission arrive from Japan and Germany, respectively. A quality control officer selects a random sample of n cars from the N cars available for inspection and records the total number of engine and transmission nonconformance for each of the n cars.

a. Is the variable of interest qualitative or quantitative? b. What measurement scale was used?

2. The Financial Times/Harris Poll is a monthly online poll of adults from six countries in Europe and the United States. A January poll included 1020 adults in the United States. One of the questions asked was, "How would you rate the federal bank in handling the credit problems in the financial markets?" Possible responses were Excellent, Good, Fair, Bad, and Terrible (Harris Interactive website, January 2008).

a. What was the sample for this survey? b. Is the data obtained qualitative or quantitative?

3. The Commerce Department reported receiving the following applications for the Malcolm Baldrige National Quality Award: 23 from large manufacturing firms, 18 from large service firms, and 30 from small businesses.

a. Is type of business a qualitative or quantitative variable? b. What percentage of the applications came from small businesses? (present answer up to two decimal places)

4. Suppose the following information was collected from a certain person on his application for a home mortgage loan from a certain cooperative. Classify each of the responses according to whether the data is qualitative or quantitative. Give also the measurement scale of the data.

a. Monthly payments: Php 12,000 (check one box only) b. Number of jobs in the past 10 years: 2 (check one box only) c. Annual family income: Php 850,000 (check one box only) d. Marital Status: Married (check one box only)