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008/Austin
2018 Confidence Interval Detail
008/Austin
008-901/Bellville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 121,466,329 | 0.8912 | 136,295,252 | 25 | 1,039 | .042820161 |
| A | 135,039,538 | 1.0500 | 128,609,084 | 21 | 689 | .009215800 |
| A | 138,786,265 | 1.0582 | 131,153,152 | 20 | 473 | .020581997 |
| A | 162,392,293 | 1.0092 | 160,911,903 | 16 | 334 | .015143553 |
| E | 619,888,538 | 0.9514 | 651,554,066 | 39 | 3,194 | .063668774 |
| F1 | 18,786,988 | 0.8940 | 21,014,528 | 10 | 135 | .050983492 |
| F1 | 19,149,808 | 0.9790 | 19,560,580 | 9 | 63 | .033015788 |
| F1 | 17,148,513 | 0.7552 | 22,707,247 | 8 | 30 | .468231021 |
| F1 | 21,172,618 | 0.7163 | 29,558,311 | 6 | 17 | .105326058 |
| Random Totals: | 1,253,830,890 | 1,301,364,123 | 154 | 5,974 | ||
| Catg D1 Exception Values: | 17,515,608 | 16,672,378 | ||||
| Total Test Values (4): | 1,271,346,498 | 1,318,036,501 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 65,901,825 |
Confidence Interval Values (5)
| State Lower Limit: | 1,252,134,676 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,271,346,498 | (Within Confidence Interval) |
| State Upper Limit: | 1,383,938,326 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,297,521,482 | (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, D2, E, 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