Question

The data in the table to the right are based on the results of a survey comparing the commute time of adults to their score on a​ well-being test. Complete parts​ (a) through​ (d) below​

Commute time in minutes	well being score
7	69.8
16	68.4
24	67.3
33	67.2
51	66.5
67	65.2
95	63.9

Critical Values for Correlation Coefficient

n
3	.997
4	.950
5	.878
6	.811
7	.754
8	.707
9	.666
10	.632
11	.602
12	.576
13	.553
14	.532
15	.514
16	.497
17	.482
18	.468
19	.456
20	.444
21	.433
22	.423
23	.413
24	.404
25	.396
26	.388
27	.381
28	.374
29	.367
30	.361

(c) Determine the linear correlation coefficient between commute time and​ well-being score.

Answer 1

r = -0.9724