2011 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 | 13,090,871 | 0.9606 | 13,627,807 | 10 | 644 | .006198530 |
| A | 12,928,482 | 1.0096 | 12,805,549 | 10 | 362 | .015193845 |
| A | 13,178,339 | 0.9230 | 14,277,724 | 10 | 233 | .023334795 |
| A | 13,335,549 | 0.9799 | 13,609,092 | 10 | 117 | .007169555 |
| D3 | 21,101,377 | 0.9947 | 21,213,810 | 20 | 2,595 | .000848060 |
| G1 | 17,188,863 | 0.9789 | 17,559,366 | 8 | 32 | .007374965 |
| Random Totals: | 90,823,481 | 93,093,348 | 68 | 3,983 | ||
| Catg J Exception Values: | 7,198,281 | 7,545,887 | ||||
| Catg D1 Exception Values: | 41,549,853 | 42,007,035 | ||||
| Catg G1 Exception Values: | 40,271,847 | 38,971,015 | ||||
| Total Test Values (4): | 179,843,462 | 181,617,285 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,080,864 |
Confidence Interval Values (5)
| State Lower Limit: | 172,536,421 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 179,843,462 | (Within Confidence Interval) |
| State Upper Limit: | 190,698,149 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 181,686,384 | (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