Tests of correlation

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Spearman's rho

  • Relationship between variables
  • Data is related
  • Level of management = Ordinal

The observed value of 'Rho' is equal or greater than the critical value, the null hypothesis can be rejected, if it is lower, the hypothesis is retained.

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Pearson's r

  • Association between two variables
  • The data is related
  • Level of management = Interval or ratio
  • The data is normally distributed (parametric test).

The observed value of the 'r' is equal to or greater than the critical value, the null hypothesis can be rejected. If it is lower the null hypothesis is retained.

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