stats questions

Question 1

If we are given standard deviations what are we we talk about?

Answer 1

= which one is the most significant, so highest value
= is there overlap,

Question 2

How do we do a stats test for coorelation cooficient ?

Answer 2

= write nul hypothesis
= use spearmens rank and do statistical test
= look up value at critical region at 0.5, se figire to reject or acceptor the null hypothesis

Question 3

When we talk about correlation what do we mention?

Answer 3

= is there a correlation this does not mean causation so may be due to another factor