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227/Travis
2016 Confidence Interval Detail
227/Travis
027-904/Marble Falls ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 100,274,940 | 0.9933 | 100,951,314 | 22 | 353 | .006187064 |
| A | 100,718,999 | 0.9734 | 103,471,337 | 9 | 168 | .002990074 |
| A | 99,981,016 | 1.0332 | 96,768,308 | 9 | 105 | .013583134 |
| A | 99,928,373 | 0.9713 | 102,881,059 | 8 | 51 | .096871468 |
| C1 | 8,035,051 | 0.9133 | 8,797,822 | 10 | 230 | .048841165 |
| C1 | 11,752,342 | 1.1045 | 10,640,418 | 9 | 125 | .134404658 |
| C1 | 10,620,415 | 1.0139 | 10,474,815 | 9 | 62 | .181719162 |
| C1 | 13,792,567 | 0.9096 | 15,163,332 | 8 | 40 | .055361534 |
| E | 40,092,162 | 0.9027 | 44,413,606 | 11 | 238 | .190067502 |
| Random Totals: | 485,195,865 | 493,562,011 | 95 | 1,372 | ||
| Catg D1 Exception Values: | 1,299,945 | 499,145 | ||||
| Total Test Values (4): | 486,495,810 | 494,061,156 |
Margin of Error
| Margin of Error Percent: | 5.1553571 |
|---|---|
| Margin of Error Value: | 25,470,617 |
Confidence Interval Values (5)
| State Lower Limit: | 468,590,539 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 486,495,810 | (Within Confidence Interval) |
| State Upper Limit: | 519,531,773 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 505,707,272 | (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