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The GRE Quantitative Reasoning Test: Data Analysis, List 2

Review these terms and concepts related to data analysis that may be tested on the Quantitative Reasoning section of the GRE test.
15 words 152 learners

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Full list of words from this list:

  1. algorithm
    a precise rule specifying how to solve some problem
    Furthermore, the algorithm would seek out a classroom full of students who performed far better than their past scores would have predicted and who then went on to score significantly lower the following year. Freakonomics: A Rogue Economist Explores the Hidden Side of Everything
  2. causal
    involving an entity that produces an effect
    These considerations, along with the just mentioned correlation between regional population size and societal complexity, have led to a protracted chicken-or-egg debate about the causal relations between food production, population variables, and societal complexity. Guns, Germs, and Steel: The Fates of Human Societies
  3. correlation
    a statistical relation between two or more variables
    Iris color also has a small correlation with color discrimination: It could be a factor in determining your very precise experience of color. Scientific American (Nov 1, 2022)
  4. demographic
    a statistic characterizing human populations
    Although Americans over 65 remain the demographic most likely to have received the original series of vaccinations, at 92 percent, their interest in keeping their vaccinations up-to-date is steadily declining, data from the C.D.C. shows. New York Times (Oct 22, 2022)
  5. distribution
    an arrangement of values of a variable by frequency
    Solving either the Riemann or Landau-Siegel problems would mean that the distribution of prime numbers does not have huge statistical fluctuations. Scientific American (Nov 15, 2022)
  6. estimation
    an approximate calculation of quantity or degree or worth
    “It has been a joy to see how rigorous estimation methods initially developed for biodiversity statistics … are increasingly applied in the social sciences and humanities,” he says. Science Magazine (Feb 16, 2022)
  7. hypothesis
    a tentative insight that is not yet verified or tested
    Hard, protective body scales, made of mineralized tissue such as dentine or enamel, could have migrated into the mouth—a hypothesis known as outside-in. Scientific American (Dec 2, 2022)
  8. inference
    a conclusion you can draw based on known evidence
    Fossils don’t preserve most soft tissue, so researchers can only make inferences about such tissue’s properties or examine present-day equivalents. Scientific American (Dec 2, 2022)
  9. outcome
    a phenomenon that is caused by some previous phenomenon
    Previous research has also shown that data about feelings predict human outcomes, but not in such a linear fashion; the degree of satisfaction or lack thereof served as a good predictor of future actions. Scientific American (Oct 3, 2022)
  10. permutation
    a change in the order or arrangement of objects in a group
    These processes can involve distinct interactions with so many electrons that it is nearly impossible to keep track of all of their permutations. Scientific American (Sep 2, 2021)
  11. population
    the entire aggregation from which samples can be drawn
    First developed nearly two hundred years ago by Belgian statistician Adolphe Quetelet, it was intended a tool for determining weight trends based on larger population samples. Salon (Dec 5, 2022)
  12. proportional
    having a constant ratio
    The infection-fatality ratio means a rate describing the number of infections proportional to the number of deaths. Salon (Mar 16, 2022)
  13. sample
    items selected from a population and used to test hypotheses
    The team looked at 256 blood samples from 229 wolves, which had been carefully watched throughout their lives, and had their life histories and social status recorded. Scientific American (Nov 29, 2022)
  14. survey
    ask people questions in order to gather data
    In an initial investigation of how people felt about group events, we surveyed more than 18,000 would-be attendees at one of Europe’s largest outdoor music festivals, planned for June and July 2020. Scientific American (Jul 19, 2022)
  15. trend
    a general direction in which something tends to move
    These data reveal typical trends for stars: The massive stars tend to be hot and young. Scientific American (Dec 1, 2022)
Created on Thu Dec 01 16:49:26 EST 2022 (updated Thu Jan 12 14:32:51 EST 2023)

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