2009 Confidence Interval Detail
221/Taylor
221-901/Abilene ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 515,006,834 | 0.9818 | 524,553,712 | 38 | 10,582 | .004419403 |
| A | 523,990,032 | 0.9718 | 539,195,341 | 38 | 5,871 | .013856548 |
| A | 519,876,231 | 0.9879 | 526,243,781 | 38 | 4,206 | .002780875 |
| A | 530,851,713 | 0.9861 | 538,334,563 | 38 | 2,528 | .003528577 |
| B | 69,039,576 | 0.9917 | 69,617,400 | 14 | 548 | .014606625 |
| B | 71,411,079 | 0.9566 | 74,650,929 | 6 | 30 | .002227502 |
| B | 63,076,378 | 0.9599 | 65,711,405 | 4 | 11 | .005825854 |
| B | 71,284,687 | 0.9649 | 73,877,798 | 3 | 7 | .013639337 |
| F1 | 220,159,081 | 1.0701 | 205,736,923 | 8 | 1,199 | .067127170 |
| F1 | 228,549,651 | 0.9879 | 231,348,974 | 7 | 278 | .003074413 |
| F1 | 201,238,147 | 0.9888 | 203,517,543 | 6 | 80 | .012059657 |
| F1 | 224,101,195 | 0.9422 | 237,848,859 | 6 | 30 | .017207550 |
| L1 | 145,370,663 | 1.0214 | 142,324,910 | 9 | 1,170 | .023838599 |
| L1 | 137,995,762 | 0.9469 | 145,734,251 | 7 | 214 | .012057159 |
| L1 | 147,759,171 | 0.9428 | 156,723,771 | 6 | 71 | .021121532 |
| L1 | 163,147,305 | 1.0082 | 161,820,378 | 5 | 18 | .010116248 |
| Random Totals: | 3,832,857,505 | 3,897,240,538 | 233 | 26,843 | ||
| Catg D1 Exception Values: | 1,439,606 | 1,405,859 | ||||
| Total Test Values (4): | 3,834,297,111 | 3,898,646,397 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 194,932,320 |
Confidence Interval Values (5)
| State Lower Limit: | 3,703,714,077 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 3,834,297,111 | (Within Confidence Interval) |
| State Upper Limit: | 4,093,578,717 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,727,163,684 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories