The following data show the number of Netflix subscribers worldwide for the years 2012 (period 1) to

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The following data show the number of Netflix subscribers worldwide for the years 2012 (period 1) to 2017 (period 6) (datawrapper website). The data are in the file NetflixSubscribers. 

Year Period Subscribers (Millions) 2012 1 33.27 2013 2 44.35 2014 57.39 2015 4 74.76 2016 5 93.80 2017 117.58


a. Construct a time-series plot. What type of pattern exists in the data? 

b. Develop a linear trend equation for this time series. 

c. Develop a quadratic trend equation for this time series. 

d. Compare the MSE for each model. Which model appears better according to MSE? 

e. Use the models in part (b) and (c) to forecast subscribers for 2018. 

f. Which of the two forecasts in part e would you use? Explain.

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Statistics For Business & Economics

ISBN: 9781337901062

14th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran

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