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3. [0.75/1 Points] DETAILS PREVIOUS ANSWERS ASWSBE15 17.E.019. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the following time series. 3 5 7 179 717 96 95 87 (a) Construct a time series plot. 140 T 140- 120- 120 100- 100 80- 80- Time Series Value Time Series Value 60- 60 - 40 40 20 20 of O 2 3 4 5 6 7 0 2 3 5 6 7 8 O Time Period (t) Time Period (t) 140 140 120- 120 100 100- 80 Time Series Value 80- 60 Time Series Value 60- 40 40 20 20 - of 2 3 4 5 6 7 8 0 1 2 3 4 5 6 7 8 O Time Period (t) Time Period (t) What type of pattern exists in the data? The time series plot shows a linear trend. The time series plot shows a seasonal pattern. The time series plot shows a nonlinear trend. The time series plot shows a horizontal pattern. (b) Develop the linear trend equation for this time series. (Round your numerical values to two decimal places.) T= -4.86t + 119.44 (c) What is the forecast for t = 8? (Round your answer to one decimal place.) 80.6