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Flashcards

stats

Ashleigh McDevitt Inglês 19 flashcards

Value that occurs the most frequently

Flashcards do conjunto (19)

  1. 1Value that occurs the most frequentlyModeValue that occurs the most frequently
  2. 2No modeNo mode
  3. 3Bimodal3, 4, 5, 3, 4, 2
  4. 4Unimodal1, 4, 5, 3, 2, 1
  5. 5MedianMiddle #
    To solve: 1. Arrange data in order
    2. Determine the middle
    3. n odd: single middle #
    4. n even: two middle #s
    2,4,5,6,7,8
    (5+6)/2=5.5
  6. 6Arithmetic MeanTo solve: (sum of values)/(# of values)
    4,6,5,2,7,8
    (4+6+5+2+7+8)/6=5.3
  7. 7Population mean equationPopulation mean equation
  8. 8sample mean equationsample mean equation
  9. 9Σ sigma"sum"
  10. 10xii^th data value in the set
  11. 11The measure of center for the qualitative data is?mode
  12. 12The measure of center for quantitative data is?Mean, unless the distribution is skewed -> than use the median
  13. 13Measure of center graphsMeasure of center graphs
  14. 14Resistant statistics is what?not affected by extreme values
    Example: median
  15. 15What gives values/categories of data more influence by assigning a weight(wi) to each?Weighted meanWhat gives values/categories of data more influence by assigning a weight(wi) to each?
  16. 16RangeMaximum - Minimum
    2,3,4,-5,1,-2,6,8,9
    9-(-5)=14
  17. 17What is used to measure the distribution of data around the mean?Varience and Standard Deviation
  18. 18Population Variance and Population Standard DeviationPopulation Variance and Population Standard Deviation
  19. 19Sample Varience and Sample Standard DeviationSample Varience and Sample Standard Deviation

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FlashCards sobre stats, criado por Ashleigh McDevitt em 10-09-2024.
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