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220/Tarrant
2017 Confidence Interval Detail
220/Tarrant
220-915/Azle ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 272,631,248 | 0.9160 | 297,632,367 | 80 | 2,498 | .033931485 |
| A | 338,783,323 | 0.9631 | 351,763,392 | 87 | 1,829 | .009192731 |
| A | 374,875,664 | 0.9696 | 386,629,191 | 47 | 1,287 | .008446961 |
| A | 391,269,133 | 0.9606 | 407,317,440 | 31 | 776 | .015725950 |
| F1 | 30,782,422 | 0.9006 | 34,179,905 | 11 | 165 | .075639432 |
| F1 | 35,522,127 | 0.9724 | 36,530,365 | 10 | 80 | .151886754 |
| F1 | 35,625,142 | 1.0640 | 33,482,276 | 10 | 38 | .033657127 |
| F1 | 38,992,775 | 0.9877 | 39,478,359 | 5 | 12 | .002085460 |
| Random Totals: | 1,518,481,834 | 1,587,013,295 | 281 | 6,685 | ||
| Catg D1 Exception Values: | 510,357 | 197,999 | ||||
| Total Test Values (4): | 1,518,992,191 | 1,587,211,294 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 79,360,564 |
Confidence Interval Values (5)
| State Lower Limit: | 1,507,850,730 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,518,992,191 | (Within Confidence Interval) |
| State Upper Limit: | 1,666,571,858 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,467,450,139 | (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, D2, E, 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