2009 Confidence Interval Detail
057/Dallas
057-913/Lancaster ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 311,114,300 | 1.0346 | 300,709,743 | 25 | 3,847 | .017689215 |
| A | 226,033,300 | 1.0715 | 210,950,350 | 25 | 2,092 | .016392231 |
| A | 195,046,190 | 1.0350 | 188,450,425 | 25 | 1,503 | .006388774 |
| A | 169,774,130 | 1.0080 | 168,426,716 | 25 | 989 | .022952669 |
| B | 22,220,320 | 1.2288 | 18,082,943 | 8 | 237 | .032537896 |
| B | 19,853,530 | 0.6967 | 28,496,526 | 5 | 15 | .015687063 |
| B | 34,775,220 | 0.8426 | 41,271,327 | 3 | 6 | .005968601 |
| F1 | 65,251,540 | 0.7778 | 83,892,440 | 8 | 166 | .148720141 |
| F1 | 51,794,150 | 0.9073 | 57,086,024 | 6 | 32 | .036139622 |
| F1 | 75,738,230 | 0.9605 | 78,852,920 | 4 | 13 | .007125713 |
| F1 | 48,047,100 | 0.9279 | 51,780,472 | 2 | 3 | .000237607 |
| L1 | 26,752,880 | 1.0523 | 25,423,244 | 7 | 190 | .029352532 |
| L1 | 23,267,320 | 0.9666 | 24,071,301 | 6 | 28 | .095503563 |
| L1 | 24,655,980 | 0.4401 | 56,023,586 | 4 | 8 | 1.033900708 |
| L1 | 27,489,820 | 1.0376 | 26,493,658 | 2 | 4 | .000930550 |
| Random Totals: | 1,321,814,010 | 1,360,011,675 | 155 | 9,133 | ||
| Catg J Exception Values: | 98,446,658 | 115,488,076 | ||||
| Catg D1 Exception Values: | 1,420,095 | 1,835,372 | ||||
| Total Test Values (4): | 1,421,680,763 | 1,477,335,123 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 73,866,756 |
Confidence Interval Values (5)
| State Lower Limit: | 1,403,468,367 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,421,680,763 | (Within Confidence Interval) |
| State Upper Limit: | 1,551,201,879 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,522,280,577 | (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