Res341

Individual Problems:

Chapter 2

2.3 What type of data (attribute, discrete numerical, or continuous numerical) is each of the following variables? If there is any ambiguity about the data type, explain why the answer is unclear.

a. The manufacturer of your car. Attribute

b. Your college major. Attribute

c. The number of college credits you are taking. Continuous numerical

d. Your GPA. Discrete numerical

e. The miles on your car’s odometer. Continuous numerical

f. The fat grams you ate for lunch yesterday. Continuous numerical

g. Your dog’s age. Discrete numerical

2.4 What type of data (attribute, discrete numerical, or continuous numerical) is each of the following

variables? If there is any ambiguity, explain why the answer is unclear.

a. Length of a TV commercial. Continuous numerical

b. Number of peanuts in a can of Planter’s Mixed Nuts. Discrete numerical

c. Occupation of a mortgage applicant. Attribute

d. Flight time from London Heathrow to Chicago O’Hare. Continuous numerical

e. Name of the airline with the cheapest fare from New York to London. Attribute

f. Blouse size purchased by a Marks and Spencer customer. Discrete numerical

2.7 Which type of data (nominal, ordinal, interval, ratio) is each of the following variables? Explain.

a. Number of hits in Game 1 of the next World Series. Ordinal

b. Baltimore’s standing in the American League East (among seven teams).Ratio

c. Field position of a baseball player (catcher, pitcher, etc.). Ordinal

d. Temperature on opening day (Celsius). Interval

e. Salary of a randomly chosen American League pitcher. Ratio

f. Freeway traffic on opening day (light, medium, heavy). Nominal

2.8 Which type of data (nominal, ordinal, interval, ratio) is each of the following variables? Explain.

a. Number of employees in the Wal-Mart store in Hutchinson, Kansas. Nominal

b. Number of merchandise returns on a randomly chosen Monday at a Wal-Mart

store. Nominal

c. Temperature (in Fahrenheit) in the...