Consider the following time series: 4 5. . Quarter Year 1 Year 2 Year 3 1 74 71 65 2 44 36 46 3 61 63 56 4 78 81 72 (a) Choose a time series plot. (1) 100 80 60 40 20 0 - 12 3 B - 10 11 12 Period(t) (11) 100 80 60 yt 40 20 0 3 9 10 6 Period (t) 11 12
HW 6 (10) 100 80 60 yt 40 20 0 B 10 11 12 Periodít (11) 100 90 60 Yt 40 20 0 9 Periodit 10 11 12 (iv) 100 80 00 y 40 20 9 8 Periodit 10 11 12
Periodit Select your answer - What type of pattern exists in the data? Is there an indication of a seasonal pattern? - Select your answer (b) Use a multiple linear regression model with dummy variables as follows to develop an equation to account for seasonal effects in the data: Qeri 1 quarter 1,0 otherwise; otr2 1 If quarter 2.0 otherwise, Q113 = 1.1 quarter 3, 0 otherwise. For subtractive or negative numbers use a minut sign even in there is a sign before the blank (Example: -300) 9 1001+ Qt2 Qera (c) Compute the quarterly forecasts for next year, Year Quarter FE 4 1 2 4 3 4 4
ENGAGE MINDTAP BU 40 20 0 2 3 4 5 7 8 Periodit) Select your answer What type of pattern exists in the data? Is there an indication of ✓ Select your answer - (b Positive trend pattern, no seasonality my variables as Horizontal pattern, no seasonality otherwise: Qr3 Negative trend pattern, no seasonality 00) Positive trend pattern, with seasonality 2+ Q Horizontal pattern with seasonality (c) Year Quarter Ft 0 Problem 1823 Algo segression Analysis for Forecast MacBook Pro с G Search or type URL de 3 & 4 5 6 7
Consider the following time series: 4 5. . Quarter Year 1 Year 2 Year 3 1 74 71 65 2 44 36 46 3 61 63 56 4 78 81 72 (a)
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Consider the following time series: 4 5. . Quarter Year 1 Year 2 Year 3 1 74 71 65 2 44 36 46 3 61 63 56 4 78 81 72 (a)
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