Select your answer – Horizontal PatternDownward Trend PatternUpward Trend PatternItem 2
Consider the following time series.
| (a) | Choose the correct time series plot. |
| (i) |  |
(ii) |  |
| (iii) |  |
(iv) |  |
| – Select your answer -Plot (i)Plot (ii)Plot (iii)Plot (iv)Item 1 |
| What type of pattern exists in the data? |
| – Select your answer – Horizontal PatternDownward Trend PatternUpward Trend PatternItem 2 |
| (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, b0 = | |
| Slope, b1 = | |
| MSE = |
| (c) | What is the forecast for t = 8? |
| If required, round your answer to three decimal places. | |
Consider the following time series. Choose the correct time series plot. 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) What is the forecast for t = 8? If required, round your answer to three decimal places.
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