2009 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 | 12,077,396 | 0.8677 | 13,918,861 | 15 | 643 | .059980376 |
| A | 11,309,179 | 0.9453 | 11,963,587 | 15 | 340 | .009771912 |
| A | 12,000,862 | 0.9443 | 12,708,739 | 16 | 237 | .014221736 |
| A | 13,118,146 | 1.0543 | 12,442,517 | 15 | 128 | .015766339 |
| D3 | 18,970,203 | 0.9522 | 19,922,498 | 20 | 2,590 | .271659819 |
| G1 | 23,028,010 | 1.0500 | 21,931,438 | 15 | 36 | .048462362 |
| L1 | 443,646 | 0.8259 | 537,167 | 5 | 14 | .021287563 |
| L1 | 877,703 | 1.0503 | 835,669 | 4 | 9 | .026331813 |
| Random Totals: | 91,825,145 | 94,260,476 | 105 | 3,997 | ||
| Catg J Exception Values: | 6,236,926 | 6,525,773 | ||||
| Catg D1 Exception Values: | 40,687,577 | 42,807,264 | ||||
| Catg G1 Exception Values: | 25,981,698 | 24,996,946 | ||||
| Catg L1 Exception Values: | 3,471,555 | 3,397,264 | ||||
| Total Test Values (4): | 168,202,901 | 171,987,723 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,599,386 |
Confidence Interval Values (5)
| State Lower Limit: | 163,388,337 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 168,202,901 | (Within Confidence Interval) |
| State Upper Limit: | 180,587,109 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 168,453,327 | (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