Years
Big increase from Y= (3.07) X Y= (3.07) X D = { XER| 2002 < X < 2007}
D ={XER|2008 < X < 2014} Prediction points Y = (0.92) x REASON FOR DECREASE
Iphone 3GS was released in 2008 causing the Ipod sales to decrease since the Iphone included a built in Ipod IPHONE PHONE IPOD
YearsNumber of Sales ,828, ,132, ,315, ,628, Ratios Average ratio: 0.92 Average ratio: 0.92 Therefore, base graph = (0.92) x Y = (0.92) x Y = (0.92) x
201239,217, ,080, ,193,912 42,628,000 x , 217,760 x ,080,339 x 0.92
YearsNumber of sales , , , 416, , 497, ,409, ,630, Average ratio: 3.07 Average ratio: 3.07 Ratios Therefore, base graph = (3.07) x
ITunes finally compatible with Windows. Apple attracted more consumers, therefore increasing the profit and number of sales.