The table of analysis below was prepared by the researcher.

Firm ID	Patient satisfaction, x	Operating profit margin, y	xy	x2	y2
1	45	6.5	292.5	2025	42.25
2	58	7.3	423.4	3364	53.29
3	50	6.7	335	2500	44.89
4	60	7.5	450	3600	56.25
5	67	8.4	562.8	4489	70.56
6	70	7.9	553	4900	62.41
7	63	7.4	466.2	3969	54.76
8	80	10.5	840	6400	110.25
9	55	7.1	390.5	3025	50.41
10	75	8.5	637.5	5625	72.25
11	72	9.3	669.6	5184	86.49
12	68	8.7	591.6	4624	75.69
13	84	11.2	940.8	7056	125.44
14	40	5.7	228	1600	32.49
15	65	7.8	507	4225	60.84
16	78	11.5	897	6084	132.25
	1030	132	8784.90	68670	1130.52

Determine the Pearson Correlation Coefficient.

1. 0.9174
2. 0.8416
3. 0.7174
4. 0.8779