stats tests

• unrelated T- test

  • test of difference
  • interval data
  • unrelated data
• related T- test

  • test of difference
  • interval data
  • related data
• pearsons R

  • test for relationships
  • interval data
  • related data
• Chi-squared

  • test for differences
  • nominal data
  • unrelated data
• Wilcoxon

  • test for differences
  • ordinal data
  • related data
• Mann - whitney U test

  • test for difference
  • ordinal data
  • unrelated data
• Spearman's rho

  • test for relationships
  • ordinal data
  • related data
• sign test

  • test for difference
  • nominal data
  • related data
• the stats tests are : sign test , spearmans rho , mann - whitney u test , wilcoxon , chi - squared , pearsons r , related t - test , unrelated t - test