Question

Consider the following time series. t 1 2 3 4 5 yt 7 10 10 14...

Consider the following time series. t 1 2 3 4 5 yt 7 10 10 14 16 (a) Choose the correct time series plot. (i) (ii) (iii) (iv) 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 = 6? If required, round your answer to one decimal place.

Math   Statistics-And-Probability   
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Answer #1

above time series plot shows a trend graph:

b)

y intercept b0 =4.80

slope b1 =2.2

MSE = SSE/(n-2) =2.8/3 =0.93

c)

predicted value =4.8+6*2.2=18.00
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