| Estimated Parameters of Exponential Smoothing | |
| Parameter | Value |
| alpha | 1 |
| beta | 0 |
| gamma | 1 |
| Interpolation Forecasts of Exponential Smoothing | |||
| t | Observed | Fitted | Residuals |
| 13 | 20.5 | 20.9280982905983 | -0.428098290598289 |
| 14 | 20.2 | 20.1594114219114 | 0.0405885780885811 |
| 15 | 19.4 | 19.3594114219114 | 0.0405885780885811 |
| 16 | 19.2 | 19.2135780885781 | -0.0135780885780861 |
| 17 | 18.8 | 18.8760780885781 | -0.0760780885780861 |
| 18 | 18.8 | 18.9260780885781 | -0.12607808857809 |
| 19 | 22.6 | 22.1844114219114 | 0.415588578088585 |
| 20 | 23.3 | 22.9469114219114 | 0.353088578088578 |
| 21 | 23 | 23.2760780885781 | -0.276078088578089 |
| 22 | 21.4 | 22.4177447552448 | -1.01774475524475 |
| 23 | 19.9 | 20.4219114219114 | -0.521911421911422 |
| 24 | 18.8 | 19.5010780885781 | -0.701078088578086 |
| 25 | 18.6 | 17.7802447552448 | 0.819755244755243 |
| 26 | 18.4 | 18.2594114219114 | 0.140588578088579 |
| 27 | 18.6 | 17.5594114219114 | 1.04058857808858 |
| 28 | 19.9 | 18.4135780885781 | 1.48642191142191 |
| 29 | 19.2 | 19.5760780885781 | -0.376078088578087 |
| 30 | 18.4 | 19.3260780885781 | -0.926078088578091 |
| 31 | 21.1 | 21.7844114219114 | -0.684411421911413 |
| 32 | 20.5 | 21.4469114219114 | -0.946911421911423 |
| 33 | 19.1 | 20.4760780885781 | -1.37607808857809 |
| 34 | 18.1 | 18.5177447552448 | -0.417744755244751 |
| 35 | 17 | 17.1219114219114 | -0.121911421911424 |
| 36 | 17.1 | 16.6010780885781 | 0.498921911421913 |
| 37 | 17.4 | 16.0802447552448 | 1.31975524475524 |
| 38 | 16.8 | 17.0594114219114 | -0.259411421911416 |
| 39 | 15.3 | 15.9594114219114 | -0.659411421911418 |
| 40 | 14.3 | 15.1135780885781 | -0.813578088578087 |
| 41 | 13.4 | 13.9760780885781 | -0.57607808857809 |
| 42 | 15.3 | 13.5260780885781 | 1.77392191142191 |
| 43 | 22.1 | 18.6844114219114 | 3.41558857808858 |
| 44 | 23.7 | 22.4469114219114 | 1.25308857808858 |
| 45 | 22.2 | 23.6760780885781 | -1.47607808857809 |
| 46 | 19.5 | 21.6177447552448 | -2.11774475524475 |
| 47 | 16.6 | 18.5219114219114 | -1.92191142191142 |
| 48 | 17.3 | 16.2010780885781 | 1.09892191142191 |
| 49 | 19.8 | 16.2802447552448 | 3.51975524475524 |
| 50 | 21.2 | 19.4594114219114 | 1.74058857808858 |
| 51 | 21.5 | 20.3594114219114 | 1.14058857808858 |
| 52 | 20.6 | 21.3135780885781 | -0.713578088578085 |
| 53 | 19.1 | 20.2760780885781 | -1.17607808857809 |
| 54 | 19.6 | 19.2260780885781 | 0.37392191142191 |
| 55 | 23.4 | 22.9844114219114 | 0.415588578088581 |
| 56 | 24.3 | 23.7469114219114 | 0.55308857808858 |
| 57 | 24.1 | 24.2760780885781 | -0.176078088578087 |
| 58 | 22.8 | 23.5177447552448 | -0.717744755244752 |
| 59 | 22.5 | 21.8219114219114 | 0.678088578088577 |
| 60 | 23.8 | 22.1010780885781 | 1.69892191142191 |
| 61 | 24.9 | 22.7802447552448 | 2.11975524475524 |
| 62 | 25.2 | 24.5594114219114 | 0.640588578088582 |
| 63 | 24.3 | 24.3594114219114 | -0.0594114219114168 |
| 64 | 22.8 | 24.1135780885781 | -1.31357808857809 |
| 65 | 20.7 | 22.4760780885781 | -1.77607808857809 |
| 66 | 19.8 | 20.8260780885781 | -1.02607808857809 |
| 67 | 22.5 | 23.1844114219114 | -0.684411421911417 |
| 68 | 22.6 | 22.8469114219114 | -0.24691142191142 |
| 69 | 22.5 | 22.5760780885781 | -0.0760780885780896 |
| 70 | 21.8 | 21.9177447552448 | -0.11774475524475 |
| 71 | 21.2 | 20.8219114219114 | 0.378088578088576 |
| 72 | 20.6 | 20.8010780885781 | -0.201078088578086 |
| 73 | 19.9 | 19.5802447552448 | 0.319755244755239 |
| 74 | 18.7 | 19.5594114219114 | -0.859411421911418 |
| 75 | 17.6 | 17.8594114219114 | -0.259411421911416 |
| 76 | 16.4 | 17.4135780885781 | -1.01357808857809 |
| 77 | 15.9 | 16.0760780885781 | -0.176078088578086 |
| 78 | 16.8 | 16.0260780885781 | 0.773921911421912 |
| 79 | 22.8 | 20.1844114219114 | 2.61558857808858 |
| 80 | 24 | 23.1469114219114 | 0.853088578088578 |
| 81 | 22.2 | 23.9760780885781 | -1.77607808857809 |
| 82 | 17.9 | 21.6177447552448 | -3.71774475524475 |
| 83 | 16 | 16.9219114219114 | -0.921911421911421 |
| 84 | 16 | 15.6010780885781 | 0.39892191142191 |
| Extrapolation Forecasts of Exponential Smoothing | |||
| t | Forecast | 95% Lower Bound | 95% Upper Bound |
| 85 | 14.9802447552448 | 12.5961830847075 | 17.364306425782 |
| 86 | 14.6396561771562 | 11.2680838291485 | 18.0112285251638 |
| 87 | 13.7990675990676 | 9.66975165731955 | 17.9283835408157 |
| 88 | 13.6126456876457 | 8.84452234657119 | 18.3807690287202 |
| 89 | 13.2887237762238 | 7.95779981835078 | 18.6196477340968 |
| 90 | 13.4148018648019 | 7.57506725665834 | 19.2545364729454 |
| 91 | 16.7992132867133 | 10.4915789962305 | 23.1068475771961 |
| 92 | 17.1461247086247 | 10.4029800126094 | 23.88926940464 |
| 93 | 17.1222027972028 | 9.97001778559104 | 24.2743878088145 |
| 94 | 16.5399475524476 | 9.0008825912439 | 24.0790125136512 |
| 95 | 15.561858974359 | 7.65482093611902 | 23.4688970125989 |
| 96 | 15.1629370629371 | 6.90430517944096 | 23.4215689464332 |
