The following table contains time series data for regular gasoline prices in the United States for 36 consecutive months: Month Price ($) Month Price ($) Month Price ($) 1 2.27 13 2.84 25 3.91 2 2.63 14 2.73 26 3.68 3 2.53 15 2.73 27 3.65 4 2.62 16 2.73 28 3.64 5 2.55 17 2.71 29 3.61 6 2.55 18 2.80 30 3.45 7 2.65 19 2.86 31 338 8 2.61 20 2.99 32 3.27 9 2.72 21 3.10 33 3.38 10 2.64 22 3.21 34 358 II 2.77 23 3.56 35 3.85 12 2.85 24 3.80 36 3.90 a. Create a line chart for these time series data. What interpretations can you make about the average price per gallon of conventional regular gasoline over these 36 months? b. Fit a linear trendline to the data. What does the trendline indicate about the price of gasoline over these 36 months?

While cell phones with holographic keyboards are currently in the introduction stage of the industry life cycle, tablet computers are in the growth stage. in the context of this scenario, which of the following statements is true? a. the industry for cell phones with holographic keyboards will face greater competition than the tablet industry. b. while the industry for cell phones with holographic keyboards will focus more on product innovation, the tablet industry will focus more on process innovation. c. while the industry for cell phones with holographic keyboards can reap the benefits of economies of scale, the tablet industry will experience no such benefits. d. the industry for cell phones with holographic keyboards will face price competition, whereas, in the tablet industry, the mode of competition will be non-price.