H.R. Refer to Exercise 10.40. Suppose the recruitment director is preparing a presentation for upper management to recommend new hiring practices of the firm. a. Provide a graph of the data in Exercise 10.40. b. Comment on the results from Exercise 10.40 in terms of do whether hiring practices over the past 1-2 years appear to be successful. If not, suggest some changes. R. 10.40 The recruitment director for a large engineering firm categorizes universities based on their rankings by U.S. News as most desirable, desirable, adequate, or undesirable for purposes of hiring the engineering graduates from the universities. The director reviews the performance records of 156 engineers employed by the firm for 1-2 years. The following table cross-classifies the annual performance ratings of the engineers with the universities from which they earned their BS degrees. Performance Rating of Employee University Type Outstanding Average Poor Most desirable 21 20 4 Desirable 4 26 Adequate 13 7 Undesirable 10 7 626 36 a. What is the population of interest represented by the data in the above table? b. Can the director conclude that there is a relationship between the university type and the performance rating of the employee? c. Are the conditions for applying your test in part (b) satisfied?