Math Midterm

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Author:
mhirshfield
ID:
140080
Filename:
Math Midterm
Updated:
2012-03-06 17:25:13
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Math Midterm
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Math Midterm
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  1. Hamilton Apportionment
    • Step 1: Calculate each state's standard quota
    • Step 2: Give each state it's lower quota
    • Step 3: Give the surplus seats to largest residues
  2. Jefferson Apportionment
    • Step 1: Find a "suitable" lower divisor
    • Step 2: Compute each state's modified quota
    • Step 3: Each state is apportioned its modified lower quota
  3. Adam's Apportionment
    • Step 1: Find a "suitable" larger divisor
    • Step 2: Compute each state's modified quota
    • Step 3: Each state is apportioned its modified upper quota
  4. Webster Apportionment
    • Step 1: Find a "suitable" divisor
    • Step 2: Compute each state's modified quota
    • Step 3: Each state is apportioned it's modified quota using conventional rounding
  5. Huntington Hill Apportionment
    • Need both Upper and Lower quota, Geometric mean of U and L.
    • If q < G, round down to L, otherwise round up.
    • Ex: 3 x 4 = 12 --> sqrt of 12 = 3.5 --> roung up to 4
  6. Convenience Sampling
    Commonly used, the selection of which individuals are in a sample is dictated by what is easiest or cheapest for the data collector.
  7. Simple Random Sampling
    The most basic form of random sampling. Based on the same principle of a lottery: any set of #s has an equal chance of being chosen.
  8. Stratified Sampling
    Breaks sampling frame into categories called "strata" and then randomly choose a sample from these strata. The chosen strata are then further divided into categories called substrata.
  9. Quota Sampling
    A systematic effort to force the sample to be representative of a given population through the use of quotas.
  10. Parameter
    The numerical info we would like to have
  11. Statistic
    Any kind of numerical info drawn from a sample of a parameter.
  12. 1 Standard deviation
    68%
  13. 2 Standard deviation
    95%
  14. 3 Standard deviation
    99.7%
  15. Permutations
    nPr =
  16. Combinations
    nCr =
  17. Probabilities
  18. Normal Distribution


  19. Q
  20. n
    The number of objects
  21. r
    The number of things you want to deal with

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