The number of Facebook users (in millions) was tracked between 2004 and 2011. (a) Visually assess the number of users. What pattern(s) does the time
The number of Facebook users (in millions) was tracked between 2004 and 2011. (a) Visually assess the number of users. What pattern(s) does the time series exhibit? O a. Negative linear trend O b. Positive linear trend O c. Positive nonlinear trend O d. Negative nonlinear trend (b) Build a nonlinear trend regression model and provide the equation of the line fit O a. T. = 84.214-90.211t+ 19.3682+0.507613 O b. T.= -283.96+ 119.63t O c. T = 109.34-116.35t + 26.22+2 (c) What are the forecasted number of users for years 2012 and 2013? O a. 793 and 913, respectively O b. 1186 and 1568, respectively O c. 105908349 and 106013768, respetively O d. 857 and 1186, respectively
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