1. A small firm negotiates an annual pay rise with each of its 12 employees. In an attempt to simplify the process, it was proposed that each employee should be given a score (X) based on his/her level of responsibility.

EMPLOYEE	SCORE	ANNUAL SALARY
A	10	5750
B	55	17300
C	46	14750
D	27	8200
E	17	6350
F	12	6150
G	85	18800
H	64	14850
I	36	9900
J	40	11000
K	30	9150
L	37	10400

1. Plot the data on scatter diagram.
2. Determine the Pearson's correlation coefficient.
3. Conduct a complete regression analysis.