Cards (6)

  • how to calculate Spearman's Rho
    1. rank scores for each table
    2. calculate differences of ranks
    3. square the differences
    4. add total of the squared differences
    5. use formula
  • answer
    between -1 and 1
  • if answer near -1
    negative correlation
  • if answer near 0
    no correlation
  • if answer near 1
    positive correlation
  • formula
    r = 1 - 6 ξ D2n(n21)\frac{6\ \xi\ D^2}{n\left(n^2-1\right)}