Corporate triple-A bond interest rates for 12 consecutive months follow. (a) Construct a time series plot. 11.01 10.5 10.0 9.5- FEFE 9.0- 8.5 8.0 7.5- 2 1 4 11.01 5 10.5 3 6 10.0 7 9.6 9.3 9.4 9.6 9.9 9.8 9.8 10.6 10.0 9.7 9.7 9.6 What type of pattern exists in the data? O The data appear to follow a seasonal pattern. O The data appear to follow a cyclical pattern. O The data appear to follow a horizontal pattern. O The data appear to follow a trend pattern. 8 Month 9 10 9.5 11 9.0 12 8.5 8.0 7.5 7.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Month (b) Develop three-month and four-month moving averages for this time series. (Round your answers to two decimal places.) Time Series Value 3-Month Moving Average Forecast 4-Month Moving Average Forecast 9.6 9.3 9.4 9.6 9.9 9.8 9.8 10.6 10.0 9.7 9.7 9.6 | | [ | Ⓒ L 11.0 T T 들 10.5 10.0- 9.5 9.0 8.5 8.0 7.5 7.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Month 0° 7.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Month Does the three-month or four-month moving average provide more accurate forecasts based on MSE? Explain. O The four-month moving average provides more accurate forecasts, because its MSE is smaller than that of the three-month moving average. The three-month moving average provides more accurate forecasts, because its MSE is smaller than that of the four-month moving average. O The three-month moving average provides more accurate forecasts, because its MSE is larger than that of the four-month moving average. O The four-month moving average provides more accurate forecasts, because its MSE is larger than that of the three-month moving average. (c) Using the more accurate forecast, what is the moving average forecast for the next month? (Round your answer to two decimal places.) 11.01 10.5 10.0 9.5 9.0 8.5 8.0 7.5+ 7.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Month 0

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Corporate triple-A bond interest rates for 12 consecutive months follow.
(a) Construct a time series plot.
11.01
10.5
10.0
9.5-
FEFE
9.0-
8.5
8.0
7.5-
2
1
4
11.01
5
10.5
3
6
10.0
7
9.6 9.3 9.4 9.6 9.9 9.8 9.8 10.6 10.0 9.7 9.7 9.6
What
type of pattern exists in the data?
O The data appear to follow a seasonal pattern.
O The data appear to follow a cyclical pattern.
O The data appear to follow a horizontal pattern.
O The data appear to follow a trend pattern.
8
Month
9
10
9.5
11
9.0
12
8.5
8.0
7.5
7.0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Month
(b) Develop three-month and four-month moving averages for this time series. (Round your answers to two decimal places.)
Time Series
Value
3-Month Moving
Average Forecast
4-Month Moving
Average Forecast
9.6
9.3
9.4
9.6
9.9
9.8
9.8
10.6
10.0
9.7
9.7
9.6
|
|
[
|
Ⓒ
L
11.0 T
T
들
10.5
10.0-
9.5
9.0
8.5
8.0
7.5
7.0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Month
0°
7.0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Month
Does the three-month or four-month moving average provide more accurate forecasts based on MSE? Explain.
O The four-month moving average provides more accurate forecasts, because its MSE is smaller than that of the three-month moving average.
The three-month moving average provides more accurate forecasts, because its MSE is smaller than that of the four-month moving average.
O The three-month moving average provides more accurate forecasts, because its MSE is larger than that of the four-month moving average.
O The four-month moving average provides more accurate forecasts, because its MSE is larger than that of the three-month moving average.
(c) Using the more accurate forecast, what is the moving average forecast for the next month? (Round your answer to two decimal places.)
11.01
10.5
10.0
9.5
9.0
8.5
8.0
7.5+
7.0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Month
0
Transcribed Image Text:Corporate triple-A bond interest rates for 12 consecutive months follow. (a) Construct a time series plot. 11.01 10.5 10.0 9.5- FEFE 9.0- 8.5 8.0 7.5- 2 1 4 11.01 5 10.5 3 6 10.0 7 9.6 9.3 9.4 9.6 9.9 9.8 9.8 10.6 10.0 9.7 9.7 9.6 What type of pattern exists in the data? O The data appear to follow a seasonal pattern. O The data appear to follow a cyclical pattern. O The data appear to follow a horizontal pattern. O The data appear to follow a trend pattern. 8 Month 9 10 9.5 11 9.0 12 8.5 8.0 7.5 7.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Month (b) Develop three-month and four-month moving averages for this time series. (Round your answers to two decimal places.) Time Series Value 3-Month Moving Average Forecast 4-Month Moving Average Forecast 9.6 9.3 9.4 9.6 9.9 9.8 9.8 10.6 10.0 9.7 9.7 9.6 | | [ | Ⓒ L 11.0 T T 들 10.5 10.0- 9.5 9.0 8.5 8.0 7.5 7.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Month 0° 7.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Month Does the three-month or four-month moving average provide more accurate forecasts based on MSE? Explain. O The four-month moving average provides more accurate forecasts, because its MSE is smaller than that of the three-month moving average. The three-month moving average provides more accurate forecasts, because its MSE is smaller than that of the four-month moving average. O The three-month moving average provides more accurate forecasts, because its MSE is larger than that of the four-month moving average. O The four-month moving average provides more accurate forecasts, because its MSE is larger than that of the three-month moving average. (c) Using the more accurate forecast, what is the moving average forecast for the next month? (Round your answer to two decimal places.) 11.01 10.5 10.0 9.5 9.0 8.5 8.0 7.5+ 7.0 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Month 0
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