Question

Consider the following time series. t 1 2 3 4 5 6 7 yt 131 108...

Consider the following time series.

t 1 2 3 4 5 6 7
yt 131 108 104 99 95 90

88
(a) Choose the correct time series plot; what type of pattern exists in the data?
(b) Use simple linear regression analysis to find the parameters for the line that minimizes MSE for this time series.
If required, round your answers to two decimal places.
y-intercept, b0 =
Slope, b1 =
MSE =
(c) What is the forecast for t = 8?
If required, round your answer to one decimal place.
Math   Statistics-And-Probability   
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