2011 Confidence Interval Detail
245/Willacy
245-901/Lasara ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,476,487 | 0.9869 | 2,509,360 | 8 | 129 | .001697209 |
| A | 2,572,720 | 0.9717 | 2,647,648 | 11 | 80 | .003569999 |
| A | 2,619,871 | 1.0119 | 2,589,061 | 9 | 50 | .003527743 |
| A | 2,608,437 | 0.9611 | 2,714,012 | 10 | 25 | .009172322 |
| D3 | 6,352,893 | 1.0051 | 6,320,658 | 16 | 652 | .003716834 |
| G1 | 3,275,106 | 0.9737 | 3,363,568 | 7 | 25 | .011186382 |
| Random Totals: | 19,905,514 | 20,144,307 | 61 | 961 | ||
| Catg J Exception Values: | 116,340 | 124,616 | ||||
| Catg D1 Exception Values: | 8,796,097 | 9,003,958 | ||||
| Catg G1 Exception Values: | 2,274,457 | 2,320,830 | ||||
| Total Test Values (4): | 31,092,408 | 31,593,711 |
Margin of Error
| Margin of Error Percent: | 5.0000014 |
|---|---|
| Margin of Error Value: | 1,579,686 |
Confidence Interval Values (5)
| State Lower Limit: | 30,014,025 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 31,092,408 | (Within Confidence Interval) |
| State Upper Limit: | 33,173,397 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 35,480,758 | (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