Consider the following time series data. 2 34 5 1 7 12 8. 13 16 (a) Construct a time series plot. What type of pattern exists in the data? O The time series plot shows a horizontal pattern. O The time series plot shows a seasonal pattern. O The time series plot shows a nonlinear trend. O The time series plot shows a linear trend. (b) Use simple linear regression analysis to find the parameters for the line that minimizes MSE for this time series. Do = b, = (c) What is the forecast for t = 6?

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