2009 Confidence Interval Detail
125/Jim Wells
125-901/Alice ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 86,301,734 | 0.9784 | 88,207,005 | 21 | 2,364 | .183070031 |
| A | 87,125,604 | 0.9312 | 93,562,719 | 11 | 1,292 | .011458292 |
| A | 88,260,436 | 0.9639 | 91,565,967 | 13 | 770 | .011202700 |
| A | 87,554,659 | 0.9734 | 89,947,256 | 19 | 479 | .003767779 |
| D3 | 98,023,367 | 0.8996 | 108,963,280 | 21 | 5,104 | .157917111 |
| F1 | 25,871,233 | 0.9452 | 27,371,173 | 7 | 330 | .002720621 |
| F1 | 26,933,600 | 0.9275 | 29,038,922 | 7 | 99 | .014672503 |
| F1 | 28,165,093 | 0.8713 | 32,325,368 | 6 | 40 | .044674727 |
| F1 | 32,534,279 | 0.9243 | 35,198,830 | 4 | 9 | .001871780 |
| L1 | 21,316,823 | 1.0446 | 20,406,685 | 7 | 369 | .001965894 |
| L1 | 19,520,088 | 1.0785 | 18,099,293 | 6 | 84 | .003635316 |
| L1 | 21,698,961 | 1.0100 | 21,484,120 | 6 | 31 | .001563499 |
| L1 | 24,190,458 | 0.9973 | 24,255,949 | 3 | 6 | .001673434 |
| Random Totals: | 647,496,335 | 680,426,567 | 131 | 10,977 | ||
| Catg D1 Exception Values: | 22,086,102 | 21,082,133 | ||||
| Total Test Values (4): | 669,582,437 | 701,508,700 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 35,075,435 |
Confidence Interval Values (5)
| State Lower Limit: | 666,433,265 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 669,582,437 | (Within Confidence Interval) |
| State Upper Limit: | 736,584,135 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,059,477,560 | (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