2.29      Below are 15 questions from a survey that was administered to a sample of MBA students (see LearningStats, Cross-Sectional Data, Surveys). Answers were recorded on paper in the blank at the left of each question. For each question, state the data type (categorical, discrete numerical, or continuous numerical) and measurement level (nominal, ordinal, interval, ratio). Explain your reasoning. If there is doubt, discuss the alternatives.

           Q1          What is your gender? (Male = 0, Female = 1)

           Q2          What is your approximate undergraduate college GPA? (1.0 to 4.0)

           Q3          About how many hours per week do you expect to work at an outside job this semester?

           Q4          What do you think is the ideal number of children for a married   couple?

           Q5          On a 1 to 5 scale, which best describes your parents?

1 = Mother clearly dominant ↔ 5 = Father clearly dominant

          Q6           On a 1 to 5 scale, assess the current job market for your undergraduate major.

1 = Very bad ↔ 5 = Very good

           Q7          During the last month, how many times has your schedule been disrupted

by car trouble?

           Q8          About how many years of college does the more-educated one of your parents have? (years)

           Q9          During the last year, how many traffic tickets (excluding parking) have you received?

           Q10        Which  political  orientation  most  nearly  fits  you?  (1  =  Liberal,  2 =

Middle-of-Road, 3 = Conservative)

           Q11        What is the age of the car you usually drive? (years)

          Q12         About how many times in the past year did you attend formal religious services?

           Q13        How often do you read a daily newspaper? (0 = Never, 1 = Occasionally, 2 = Regularly)

           Q14        Can you conduct simple transactions in a language other than English? (0 = No, 1 = Yes)

           Q15        How often do you exercise (aerobics, running, etc)? (0 = Not At All, 1 = Sometimes, 2 = Regularly)

2.30      Identify the following data as either time series or cross-sectional.

a.   The 2007 CEO compensation of the 500 largest U.S. companies.

b.   The annual compensation for the CEO of Coca-Cola Enterprises from 1990 to 2009.

c.   The weekly revenue for a Noodles & Company restaurant for the 52 weeks in 2009.

d.   The number of skiers on the mountain on Christmas Day 2009 at each of the ski mountains owned by Vail Resorts.

 

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