help me can some one tell me what the critical value is for the spearmans rank corellation coefficient?
mine is -1.68398268
first reply gets reps
It depends on how many readings you have for a start, it also depends on how accurate you want to be... for A level biology 95% accuracy is usually fine which translates to 0.05 on the tables. Essentially more readings mean a lower score is needed to be significant.
Also spearman's rank values are usually between a range of 1 and -1, you sure you didn't do the test wrong?
Anyhow heres the table for 5%, value on the left being number of results and value on the right being the value needed for spearman's rank to be significant:
It depends on how many readings you have for a start, it also depends on how accurate you want to be... for A level biology 95% accuracy is usually fine which translates to 0.05 on the tables. Essentially more readings mean a lower score is needed to be significant.
Also spearman's rank values are usually between a range of 1 and -1, you sure you didn't do the test wrong?
Anyhow heres the table for 5%, value on the left being number of results and value on the right being the value needed for spearman's rank to be significant: