=+22. Burnout. The HR director of a company has noticed an increasing number of employees suffering from “burnout”, in which physical and emotional fatigue hurt job performance. The HR director has read that the more time a person spends socializing with coworkers, the higher the chance of burnout. He has circulated a questionnaire among employees from which a burnout index and a socialization index have been computed. The scatterplot shows the relationship between the socialization index and the burnout index for the company employees.

0 200 400 600 800 1000 1200 0 20 40 60 80 100 Socialization Index Burnout Index

a) Do you think there is a clear pattern? Describe the trend.

b) Is the association strong?

c) Is a linear model appropriate for these data? Explain.