2007 Confidence Interval Detail
245/Willacy
245-902/Lyford CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,504,866 | 0.9642 | 11,932,033 | 8 | 615 | .030776855 |
| A | 11,503,009 | 0.9506 | 12,100,788 | 7 | 351 | .034629951 |
| A | 11,462,665 | 0.9631 | 11,901,843 | 7 | 234 | .015159770 |
| A | 11,479,045 | 0.9296 | 12,348,370 | 7 | 123 | .011277271 |
| D3 | 20,262,872 | 0.9733 | 20,818,732 | 14 | 3,058 | .014067209 |
| G1 | 16,706,948 | 0.9595 | 17,412,140 | 14 | 37 | .066144598 |
| L1 | 708,504 | 0.9256 | 765,454 | 6 | 25 | .034815923 |
| L1 | 678,137 | 0.9789 | 692,754 | 4 | 8 | .003405175 |
| L1 | 1,259,141 | 0.9382 | 1,342,082 | 3 | 4 | .003821506 |
| Random Totals: | 85,565,187 | 89,314,196 | 70 | 4,455 | ||
| Catg J Exception Values: | 6,719,656 | 6,773,906 | ||||
| Catg D1 Exception Values: | 48,748,658 | 48,451,865 | ||||
| Catg G1 Exception Values: | 17,537,681 | 19,847,111 | ||||
| Catg L1 Exception Values: | 7,354,096 | 7,936,390 | ||||
| Total Test Values (4): | 165,925,278 | 172,323,468 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,616,173 |
Confidence Interval Values (5)
| State Lower Limit: | 163,707,295 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 165,925,278 | (Within Confidence Interval) |
| State Upper Limit: | 180,939,641 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 167,358,834 | (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