1. Home
  2. Flashcards
  3. Preview

stats psch 810 test 1

  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
Author
ASHLEYmcintyre
ID
40180
Card Set
stats psch 810 test 1
Description
test one of intro to stats
Updated

  1. Home
  2. Flashcards
  3. Preview