SPEARMAN RANK CORRELATION COEFFICIENT

• WHAT IS IT TESTING FOR?

  correlation of two variables
• TYPE OF DATA?

  two different variables
• NULL HYPOTHESIS?

  there is no significant correlation between X and Y
• DEGREES OF FREEDOM?

  number of pairs of data
• CONCLUSION FOR SPEARMAN RANK CORRELATION COEFFICIENT IF TEST STATISTIC SMALLER THAN CRITICAL VALUE?

  1. t < CV
  2. Accept null hypothesis
  3. No correlation
  4. With 5% chance of error
• CONCLUSION FOR SPEARMAN RANK CORRELATION COEFFICIENT IF TEST STATISTIC GREATER THAN CRITICAL VALUE?

  1. t > CV
  2. Reject null hypothesis
  3. Significant correlation (weak/ strong and positive/ negative)
  4. With 5% chance of error