01 & 02 STAT HWB q intro & descriptive statistics.doc

01 & 02 STAT HWB q intro & descriptive...

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Dr. V.R. Bencivenga Economics 329 PRACTICE HOMEWORK #1B: 1. Identify each of the following variables as continuous or discrete. Which of the discrete variables are dummy variables (if any)? a. expenditure per pupil (data for all public school districts in the US) b. high school graduation rate (data for all high schools in the US) c. number of state universities (data for all fifty states in the US) d. whether a state university is a “land grant” institution (data for all state universities in the US) e. enrollment in colleges/universities (annual data for the US) 2. For each of the following, say which measure of central tendency (mean, median, or mode) you think is most appropriate, and briefly explain why. If you think the choice is ambiguous, explain why. a. population of a “typical” city in the US b. “typical” age a man or woman gets married c. “typical” form of transportation a commuter uses to go between home and work d. “typical” number of years of schooling completed by someone in the labor force e. number of students in a “typical” elementary school classroom 3. Consider a data set of observations on the following variables for a large number of countries:
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01 & 02 STAT HWB q intro & descriptive...

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