Problem 6-19 Consider the following time series. 0 110 100 96 94 92 88 a. Choose the correct time series plot. 140 140 120 120 100 Time Series Value Time Series Value 3 3 Time Period [t) Time Period (t) (iii) 140 (iv) 140 120 120 Time Series Value Time Series Value Time Period (t) Time Period (t) Plot (ii) What type of pattern exists in the data? Horizontal Pattern b. Use simple linear regression analysis to find the parameters for the line that minimizes MSE for this time series. Do not round your interim computations and round your final answers to three decimal places. For subtractive or negative numbers use a minus sign. (Example: -300) y-intercept, Do = Slope, D = MSE = C. What is the forecast for & = 8? If required, round your answer to three decimal places