2. (4 pts) For each part, select the best response. (a) Which of the following i
ID: 3068313 • Letter: 2
Question
2. (4 pts) For each part, select the best response.
(a) Which of the following is an example of an interval variable.
A. The amount of rain (in inches) that fell last night in Columbia.
B. The number of days last year the Columbia Public Schools were closed due to inclimate weather.
C. The number of earthquakes that occurred last year that affected California.
D. The high temperature yesterday in Columbia (measured in degrees Fahrenheit).
E. None of the above.
(b) For houses currently for sale in a certain community several variables were measured. Which of these variables would be classified as categorical?
A. The asking price.
B. Whether or not the house contains over 2,500 square feet of living space.
C. Total cost of heating for the previous calendar year (in dollars).
D. The distance from the house to the nearest interstate highway.
E. None of the above.
(c) A study of recent college graduates recorded the SEX (male or female) and total COLLEGE DEBT (measured to the nearest dollar) for sample of 10,000 people one year after they had graduated from college. Which of the following statements is true?
A. SEX is a categorical variable and COLLEGE DEBT is a continuous measurement variable.
B. SEX and COLLEGE DEBT are both discrete measurement variables.
C. SEX is a nominal variable and COLLEGE DEBT is a discrete measurement variable.
D. SEX is a measurement variable and COLLECT DEBT is a categorical variable.
E. None of the above.
(d) STUDENT NUMBER, as applied to Bradley University students, is which kind of variable?
A. categorical
B. continuous
C. measurement
D. discrete
E. All of the above.
Explanation / Answer
a)
D. The high temperature yesterday in Columbia (measured in degrees Fahrenheit)
b)
B. Whether or not the house contains over 2,500 square feet of living space.
c)
A. SEX is a categorical variable and COLLEGE DEBT is a continuous measurement variable.
d)
A. categorical
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