Reference no: EM1313629

(a) Make a scatter diagram of the scores:

(b) Describes in words the general pattern of correlation, if any;

(c) Figure the correlation coefficient;

(d) Figure whether the correlation is statistically significant (use the: 05 significance level, two-tailed);

(e) Explain the logical of what you have done, writing as if you are speaking to someone who has never heard of correlation (but who does understand the mean, deviation scores, and hypothesis testing): and

(f) Give three logically possible directions of casualty, indicating for each direction whether it is a reasonable explanation for the correlation in light of the variables involved (and why).

Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows.

Person Anxiety	Dexterity
1	1
10
2	1
8
3	2
4
4	4
-2