stats psch 810 test 1

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The flashcards below were created by user ASHLEYmcintyre on FreezingBlue Flashcards.


  1. SS /n
    • variance
    • SD 2
  2. (SumX)/n
    Mean
  3. Sum(x-m)=
    0
  4. when all numbers fall on the mean
    perfect mean
  5. (mean-median)/ some denominator ... a measure of
    skewness
  6. (Sum(x-m)2 )/n
    variance

  7. SD equation
    • Squareroot( (sum(x-m)2) )
    • ( n )




















  8. mean will always give you the lowest SD

Card Set Information

Author:
ASHLEYmcintyre
ID:
40180
Filename:
stats psch 810 test 1
Updated:
2010-10-06 19:54:09
Tags:
first test
Folders:

Description:
test one of intro to stats
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