Table 1 shows the costs (in Ringgit Malaysia) of one-way trip flights from Kuala Lumpur to Bangkok, Thailand. The airlines are Thai Smile Air, Thai Lion Air, Airasia, Malindo Air, Scoot, MAS and Vietjet Air. Table 1: Cost of Flying of One-Way Trip Flights from Kuala Lumpur to Bangkok Thai Thai Airasia Malindo Scoot Malaysian Vietjet Smile Lion Air Airlines Air Air Air (MAS) 30 Days in 244 260 264 264 278 318 280 Advance 1 Day in 456 614 567 943 628 1088 536 Advance a) Calculate the mean and median for each data set (30 days in advance and 1 day in advance). [8 marks] b) Does it make much of a difference if the tickets are purchased 30 days in advance or 1 day in advance? Explain. [2 marks] c) Calculate the standard deviation and variance for each data set (30 days in advance and 1 day in advance). (6 marks] d) Compare the variation for both data set. [2 marks]