Activity I - Your firm is interested in learning more about how its salaries relate to its employees' tenure with the firm. It has collected the following data for 25 of its employees.

EMPLOYEE NUMBER	TENURE (YEARS)	SALARY ($)
1	15	53,908
2	32	78,230
3	14	55,164
4	20	57,647
5	25	63,111
6	14	54,991
7	28	74,571
8	30	73,189
9	28	71,859
10	17	55,978
11	14	61,676
12	6	44,865
13	21	64,676
14	11	59,101
15	14	58,441
16	32	81,964
17	29	76,373
18	33	82,860
19	27	70,019
20	16	58,474
21	26	80,074
22	3	45,594
23	14	63,676
24	9	68,444
25	14	70,306

Plot these data points, and describe using regression how salary relates to firm tenure for this group.