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Travis County
2024 Confidence Interval Detail
Travis County
027-904/Marble Falls ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 240,946,621 | 0.9997 | 241,018,927 | 12 | 370 | 0.017587441 |
| A | 3 | 268,587,883 | 0.9491 | 282,992,185 | 12 | 222 | 0.042255229 |
| A | 4 | 224,858,223 | 0.9284 | 242,199,723 | 12 | 123 | 0.024943736 |
| A | 5 | 213,482,016 | 1.2321 | 173,266,793 | 12 | 65 | 0.014443494 |
| C1 | 2 | 15,718,628 | 0.8061 | 19,499,601 | 10 | 159 | 0.091192466 |
| C1 | 3 | 28,131,821 | 1.1459 | 24,549,979 | 10 | 126 | 0.120856016 |
| C1 | 4 | 20,426,877 | 0.9057 | 22,553,690 | 9 | 63 | 0.041059805 |
| C1 | 5 | 27,208,140 | 1.0070 | 27,019,007 | 9 | 43 | 0.054151543 |
| E | 0 | 236,576,911 | 0.9545 | 247,854,281 | 20 | 306 | 0.090821908 |
| Random Totals: | 1,275,937,120 | 1,280,954,186 | 106 | 1,477 | |||
| CATG D1 EXCEPTION VALUES: | 1,977,219 | 689,143 | |||||
| Total Test Values | 1,277,914,339 | 1,281,643,329 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 64,082,166 |
Confidence Interval Values(5)
| Local Test Value: | 1,277,914,339 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,217,561,163 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,345,725,495 | (State Test Value plus Margin of Error Percent) |
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