Statistics--Chapter 3 Vocabulary

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Across
  1. 3. most frequent observation in a set of data
  2. 7. divide data sets into four equal parts
  3. 8. cutoff points for determining outliers
  4. 9. __________ describes how far, on average, each observation is form the typical data value
  5. 12. extreme data values
  6. 14. difference between largest and smallest data value
  7. 15. graph created using the five-number summary
  8. 16. second quartile
  9. 17. middle of the data when arranged in ascending order
  10. 20. __________'s rule is used with any distribution to determine the percentage of data that lie within k standard deviations of the mean
  11. 21. having three or more data values that occur with the highest frequency
  12. 23. the range of the middle 50% of the observations
  13. 24. this summary consists of the smallest data value, Q1, the median, Q3, and the largest data value
Down
  1. 1. the degree to which the data are spread out
  2. 2. unaffected by extremely large or small data values
  3. 4. having two modes
  4. 5. average of the data
  5. 6. represents the distance that a data value is from the mean in terms of the number of standard deviations
  6. 10. data that have already been summarized
  7. 11. the square of the standard deviation
  8. 13. the _________ rule is used with a bell shaped distribution to determine the percentage of data that lie within k standard deviations of the mean
  9. 18. the kth __________ of a set of data is a value such that k percent of the observations are less than or equal to the value
  10. 19. when data values have different importance associated with them, we compute the _______ mean
  11. 22. unusual data values
  12. 23. interquartile range