Arrow Air is a regional East Coast airline that has collected data for the percentage of available seats occupied on its flights for four quarters?(1) January-March, (2) April-June, (3) July- September, and (4) October-December?for the past 5 years. Arrow Air also has collected data for the average percentage fare discount for each of these quarters, as follows:

Seat Average Occupancy Fare Discount Year Quarter (%) (%) 63 21 75 34 76 18 26 2 59 18 40 81 25 76 30 W 65 23 28 A W N H A W N H A W N H A W N HAWNA 30 35 4 59 20 35 83 26 71 30 5 60 25 66 37 86 25 74 30