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227/Travis
2018 Confidence Interval Detail
227/Travis
227-910/Del Valle ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 293,456,506 | 0.8783 | 334,118,759 | 51 | 2,360 | .020002827 |
| A | 568,925,010 | 0.9687 | 587,307,742 | 124 | 3,358 | .007985027 |
| A | 683,804,763 | 0.9801 | 697,688,770 | 125 | 3,332 | .022754573 |
| A | 826,997,233 | 1.0161 | 813,893,547 | 137 | 2,769 | .007687754 |
| B | 122,472,127 | 0.8613 | 142,194,505 | 6 | 16 | .026150639 |
| B | 158,647,346 | 0.9723 | 163,167,074 | 5 | 7 | .000162056 |
| B | 181,078,067 | 0.9791 | 184,943,384 | 3 | 5 | .000136277 |
| F1 | 361,209,450 | 0.9514 | 379,660,973 | 10 | 227 | .004115462 |
| F1 | 357,162,944 | 0.9676 | 369,122,513 | 8 | 52 | .000502848 |
| F1 | 564,846,480 | 0.9774 | 577,907,182 | 7 | 35 | .000218805 |
| F1 | 543,829,088 | 0.9618 | 565,428,455 | 4 | 13 | .000488718 |
| L1 | 213,247,882 | 1.0481 | 203,461,389 | 11 | 303 | .003448473 |
| L1 | 195,813,436 | 0.9568 | 204,654,511 | 11 | 59 | .015573189 |
| L1 | 235,086,275 | 0.9992 | 235,274,495 | 8 | 27 | .002147781 |
| L1 | 267,006,063 | 0.9692 | 275,491,192 | 5 | 10 | .001978834 |
| Random Totals: | 5,573,582,670 | 5,734,314,491 | 515 | 12,573 | ||
| Catg D1 Exception Values: | 7,252,066 | 7,829,747 | ||||
| Catg B Exception Values: | 141,600,000 | 145,658,295 | ||||
| Total Test Values (4): | 5,722,434,736 | 5,887,802,533 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 294,390,126 |
Confidence Interval Values (5)
| State Lower Limit: | 5,593,412,407 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 5,722,434,736 | (Within Confidence Interval) |
| State Upper Limit: | 6,182,192,659 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 6,204,672,573 | (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