Number of years of experience x -Independent	Number of new policies written annually Y dependent		yi	yi
2	17	4	34	289
5	22	25	110	484
7	34	49	238	1156
6	37	36	222	1369
12	50	144	600	2500
9	41	81	369	1681
5	13	25	65	169
20	48	400	960	2304
13	39	169	507	1521
4	20	16	80	400
10	35	100	350	1225
20	63	400	1260	3969
=113	Yi = 419	1449	yi 4795	y17067

1. using appropriate computational formulae find the least-square regression line.

2. Interpret the y- intercepts of regression equation in question 1 above.

3. Calculate the Pearson's correlation coefficient for the above data

4. interpret the correlation coefficient calculate in question 3 above