2009 Confidence Interval Detail
220/Tarrant
220-920/White Settlement ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 248,075,690 | 0.9697 | 255,827,256 | 29 | 3,335 | .007742502 |
| A | 206,072,414 | 0.9707 | 212,292,587 | 25 | 2,040 | .005068507 |
| A | 207,289,423 | 1.0054 | 206,176,072 | 24 | 1,614 | .004278848 |
| A | 225,298,620 | 1.0301 | 218,715,290 | 22 | 1,069 | .010312879 |
| B | 20,360,500 | 0.9739 | 20,906,151 | 7 | 216 | .015115061 |
| B | 18,201,070 | 0.8474 | 21,478,723 | 6 | 63 | .031765638 |
| B | 16,431,136 | 0.8924 | 18,412,299 | 4 | 6 | .005929031 |
| F1 | 64,880,305 | 0.8960 | 72,411,055 | 8 | 118 | .017532074 |
| F1 | 71,663,379 | 0.9331 | 76,801,392 | 6 | 39 | .002762882 |
| F1 | 47,151,775 | 0.9582 | 49,208,699 | 5 | 13 | .018206448 |
| F1 | 79,053,435 | 0.8984 | 87,993,583 | 4 | 6 | .003547914 |
| L1 | 23,455,924 | 1.1687 | 20,070,098 | 7 | 118 | .069944068 |
| L1 | 28,979,363 | 1.1076 | 26,164,105 | 5 | 23 | .021647532 |
| L1 | 20,921,811 | 1.0052 | 20,813,580 | 4 | 7 | .000101362 |
| Random Totals: | 1,277,834,845 | 1,307,270,890 | 156 | 8,667 | ||
| Catg D1 Exception Values: | 419,893 | 320,381 | ||||
| Catg B Exception Values: | 37,219,535 | 36,551,000 | ||||
| Catg L1 Exception Values: | 25,368,790 | 21,771,844 | ||||
| Total Test Values (4): | 1,340,843,063 | 1,365,914,115 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 68,295,706 |
Confidence Interval Values (5)
| State Lower Limit: | 1,297,618,409 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,340,843,063 | (Within Confidence Interval) |
| State Upper Limit: | 1,434,209,821 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,541,859,479 | (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