2012 Confidence Interval Detail
003/Angelina
003-906/Zavalla ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 17,193,990 | 1.0188 | 16,876,708 | 10 | 618 | .021083338 |
| A | 16,549,430 | 1.0290 | 16,083,022 | 10 | 295 | .022630737 |
| A | 16,822,590 | 1.0469 | 16,068,956 | 11 | 198 | .012892630 |
| A | 18,662,890 | 0.8961 | 20,826,794 | 9 | 109 | .016548281 |
| C | 1,748,200 | 1.0269 | 1,702,405 | 14 | 725 | .062782796 |
| C | 1,778,986 | 1.0255 | 1,734,750 | 10 | 333 | .007867888 |
| C | 1,705,840 | 1.0162 | 1,678,646 | 10 | 140 | .005710164 |
| C | 1,604,684 | 1.0085 | 1,591,159 | 8 | 45 | .004491561 |
| D3 | 18,799,180 | 0.9538 | 19,709,771 | 15 | 1,424 | .017769351 |
| Random Totals: | 94,865,790 | 96,272,211 | 97 | 3,887 | ||
| Catg J Exception Values: | 1,643,980 | 1,681,388 | ||||
| Catg D1 Exception Values: | 7,548,111 | 8,032,203 | ||||
| Total Test Values (4): | 104,057,881 | 105,985,802 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,299,290 |
Confidence Interval Values (5)
| State Lower Limit: | 100,686,512 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 104,057,881 | (Within Confidence Interval) |
| State Upper Limit: | 111,285,092 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 91,746,898 | (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