2006 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 | 233,713,978 | 1.0209 | 228,929,354 | 22 | 2,657 | .011130015 |
| A | 233,694,134 | 1.0212 | 228,842,669 | 22 | 2,049 | .004843749 |
| A | 233,414,421 | 1.0064 | 231,930,069 | 21 | 1,713 | .006759497 |
| A | 233,580,397 | 1.0255 | 227,772,206 | 20 | 1,268 | .002448079 |
| B | 17,144,237 | 1.0150 | 16,890,874 | 9 | 238 | .015566304 |
| B | 19,759,432 | 0.7906 | 24,992,957 | 7 | 37 | .008744334 |
| B | 16,976,629 | 0.8424 | 20,152,693 | 3 | 4 | .065125573 |
| F1 | 53,360,753 | 0.9326 | 57,217,192 | 7 | 161 | .004184575 |
| F1 | 56,684,598 | 0.9617 | 58,942,080 | 6 | 34 | .015088784 |
| F1 | 48,853,087 | 0.8476 | 57,636,960 | 4 | 8 | .027112331 |
| F1 | 51,857,713 | 0.9998 | 51,868,087 | 3 | 4 | .000839478 |
| L1 | 23,453,064 | 1.0665 | 21,990,684 | 7 | 191 | .019590971 |
| L1 | 24,703,609 | 0.9671 | 25,544,007 | 8 | 27 | .177401361 |
| L1 | 23,263,633 | 1.0001 | 23,261,307 | 3 | 7 | .000000034 |
| Random Totals: | 1,270,459,685 | 1,275,971,139 | 142 | 8,398 | ||
| Catg J Exception Values: | 108,566,461 | 134,483,849 | ||||
| Catg D1 Exception Values: | 1,162,374 | 1,375,004 | ||||
| Catg B Exception Values: | 13,835,170 | 17,240,000 | ||||
| Catg L1 Exception Values: | 17,812,880 | 17,471,473 | ||||
| Total Test Values (4): | 1,411,836,570 | 1,446,541,465 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 72,327,073 |
Confidence Interval Values (5)
| State Lower Limit: | 1,374,214,392 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,411,836,570 | (Within Confidence Interval) |
| State Upper Limit: | 1,518,868,538 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,485,801,259 | (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