A major electronics retailer was recently sued by 40 employees who were laid off by the company. The employees claimed they were victims of age discrimination, which is illegal in the United States. The first of the two following tables shows the ages of the 40 employees who were laid off. The second of the following tables shows the age of a random sample of 40 employees currently working for the company. These data can be found in the Excel file employee ages.xlsx.

Ages of Laid-Off Employees 38 35 39 44 54 59 39 43 60 61 56 57 56 53 51 56 53 43 19 42 42 56 75 64 38 62 39 61 43 74 65 44 40 51 46 51 44 45 67 51 Ages of a Sample of Current Employees 34 46 41 33 39 38 35 44 34 19 39 36 37 36 35 28 37 28 35 30 76 31 29 32 42 39 32 30 47 21 39 26 27 42 27 30 33 32 60 38

a. Construct a percentage polygon for these data.

b. Construct a cumulative percentage polygon for these data.

c. Does it appear that the employees suing this company have a case?AppendixLO1