Statistics and Probability - Middle School

There's a strong probability that you'll want review this list of terms related to statistics. Learn about data, plots, and random sampling. Odds are that you'll never confuse the words mean and median again.
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Full list of words from this list:

words only definitions & notes
  1. association
    a relation resulting from interaction or dependence
  2. attribute
    a characteristic that distinguishes objects or individuals
  3. bivariate
    having two variables
  4. center
    an area that is in the middle of some larger region
  5. chance
    an unknown and unpredictable phenomenon
  6. cluster
    a grouping of a number of similar things
  7. data
    a collection of facts from which conclusions may be drawn
  8. deviation
    the difference between observed value and expected value
  9. discrepancy
    an event that departs from expectations
  10. distribution
    an arrangement of values of a variable by frequency
  11. estimate
    an approximate calculation of quantity or degree or worth
  12. frequency
    the number of observations in a given statistical category
  13. gap
    an act or event that causes a delay or break in an ongoing activity
  14. generalization
    the process of abstracting common properties of instances
  15. histogram
    a bar chart representing a frequency distribution
  16. inference
    a conclusion you can draw based on known evidence
  17. intercept
    the point at which a line intersects a coordinate axis
  18. likelihood
    the probability of a specified outcome
  19. mean
    an average computed by adding some function of the numbers
  20. median
    the value below which 50% of the cases fall
  21. model
    a representation of something, often on a smaller scale
  22. observation
    the act of making and recording a measurement
  23. outcome
    a phenomenon that is caused by some previous phenomenon
  24. outlier
    a person or thing that does not conform to a norm
  25. pattern
    a repeated design, structure, or arrangement
  26. peak
    the most extreme possible amount or value
  27. plot
    a chart, map, or graph showing progress, distribution, etc.
  28. population
    the entire aggregation from which samples can be drawn
  29. predict
    make a guess about what will happen in the future
  30. prediction
    the act of foretelling
  31. probability
    a measure of how likely it is that some event will occur
  32. quantitative
    expressible as an amount that can be measured
  33. quartile
    1 of 4 parts into which an ordered distribution is divided
  34. random sampling
    the selection of a random sample
  35. relative frequency
    the ratio of the number of observations in a statistical category to the total number of observations
  36. representative sample
    the population is divided into strata and a random sample is taken from each stratum
  37. sample
    items selected from a population and used to test hypotheses
  38. shape
    the spatial arrangement of something
  39. simulation
    representation of something, often on a smaller scale
  40. skewed
    favoring one person or side over another
  41. slope
    the property of a line that departs from the horizontal
  42. spread
    a conspicuous disparity or difference as between two figures
  43. statistics
    a branch of mathematics concerned with quantitative data
  44. summarize
    briefly present the main points of something
  45. symmetrical
    exhibiting equivalence or correspondence among constituents
  46. table
    a set of data arranged in rows and columns
  47. tree diagram
    a figure that branches from a single root
  48. unit
    a division accepted as a standard of measurement or exchange
  49. value
    a numerical quantity measured or assigned or computed
  50. variability
    the quality of being subject to change
  51. variation
    an instance of change; the rate or magnitude of change
  52. vary
    be subject to change
Created on Tue Feb 07 15:18:32 EST 2017 (updated Wed Mar 29 15:54:12 EDT 2017)

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