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220/Tarrant
2016 Confidence Interval Detail
220/Tarrant
220-902/Birdville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,366,347,863 | 0.9481 | 1,441,143,195 | 147 | 12,702 | .017446897 |
| A | 1,366,392,910 | 0.9754 | 1,400,853,916 | 148 | 9,037 | .021676176 |
| A | 1,366,577,224 | 0.9810 | 1,393,045,081 | 151 | 6,624 | .011072936 |
| A | 1,365,970,985 | 0.9697 | 1,408,653,176 | 149 | 4,254 | .008939684 |
| B | 209,452,581 | 0.9068 | 230,979,908 | 11 | 607 | .029347622 |
| B | 235,165,137 | 0.8202 | 286,716,822 | 7 | 22 | .080895928 |
| B | 181,369,317 | 1.0590 | 171,264,700 | 6 | 10 | .011291922 |
| B | 338,269,000 | 1.0584 | 319,604,119 | 5 | 11 | .003546568 |
| F1 | 385,959,432 | 0.9617 | 401,330,386 | 9 | 901 | .020877281 |
| F1 | 423,135,122 | 0.8873 | 476,879,434 | 10 | 311 | .097154294 |
| F1 | 425,425,211 | 0.9793 | 434,417,656 | 9 | 110 | .021757494 |
| F1 | 420,452,120 | 1.0440 | 402,731,916 | 7 | 30 | .013326121 |
| L1 | 212,626,510 | 0.9187 | 231,442,810 | 10 | 971 | .026951280 |
| L1 | 160,289,763 | 1.0381 | 154,406,862 | 9 | 143 | .009572978 |
| L1 | 151,371,886 | 1.0662 | 141,973,256 | 8 | 51 | .016001732 |
| L1 | 270,446,512 | 0.9526 | 283,903,540 | 6 | 19 | .019354296 |
| Random Totals: | 8,879,251,573 | 9,179,346,777 | 692 | 35,803 | ||
| Catg D1 Exception Values: | 43,930 | 30,312 | ||||
| Total Test Values (4): | 8,879,295,503 | 9,179,377,089 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 458,968,854 |
Confidence Interval Values (5)
| State Lower Limit: | 8,720,408,235 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 8,879,295,503 | (Within Confidence Interval) |
| State Upper Limit: | 9,638,345,943 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 8,233,801,096 | (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