Apple Inc. has performed extremely well in the last decade. After its stock price dropped to below 90 in May 2016, it made a tremendous comeback to reach about 146 by May 2017 (SeekingAlpha.com, May 1, 2017). An investor seeking to gain from the positive momentum of Apple’s stock price analyzes 53 weeks of stock price data from 5/30/16 to 5/26/17. A portion of the data is shown in the accompanying table. 

a. Estimate and interpret the linear trend model (no seasonality). 

b. Make a forecast for the next week (54th week)

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Date 5/30/2016 6/6/2016 ⠀ 5/26/2017 Price 97.92 98.83 ⠀ 153.57