(b) Ghana Air specialises in executive travel and uses top range aircraft to attract its customers to exotic locations. It leases its aircraft from Boeing Corporation and wants to plan for further leases over the next 5 years. It carried out a survey of seat bookings and customer income for the past 7 years as a means to forecast future aircraft leases. The data from its survey is given below Year Customer Income (x) Reservations (y) Name 1 250 100 255 115 Course details Propasal title Problem Statemt 258 120 267 130 5 270 145 Objectives background 6 272 152 7 273 155 1845 917 Determine the strength of the relationship between the data by means of the co-efficient of correlation. [16Marks]