2010 Confidence Interval Detail
227/Travis
227-907/Manor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 271,151,036 | 0.9266 | 292,630,084 | 56 | 2,709 | .007944811 |
| A | 297,954,436 | 0.9717 | 306,632,125 | 58 | 2,045 | .003007711 |
| A | 260,149,934 | 0.9714 | 267,809,279 | 40 | 1,476 | .003186716 |
| A | 194,966,091 | 0.9715 | 200,685,631 | 30 | 834 | .006999586 |
| B | 30,664,728 | 0.9621 | 31,872,703 | 6 | 14 | .001516159 |
| F1 | 135,102,771 | 0.9937 | 135,959,315 | 9 | 162 | .000528455 |
| F1 | 125,494,520 | 0.9774 | 128,396,276 | 8 | 47 | .000679622 |
| F1 | 119,253,987 | 0.9928 | 120,118,843 | 7 | 23 | .001091804 |
| F1 | 80,200,656 | 0.9905 | 80,969,870 | 5 | 7 | .000222306 |
| L1 | 81,393,400 | 1.0097 | 80,611,469 | 10 | 302 | .004859938 |
| L1 | 78,252,754 | 0.9930 | 78,804,385 | 9 | 62 | .003263297 |
| L1 | 81,833,646 | 1.0058 | 81,361,748 | 6 | 17 | .003284247 |
| L1 | 86,324,367 | 0.9981 | 86,488,696 | 3 | 4 | .000001025 |
| Random Totals: | 1,842,742,326 | 1,892,340,424 | 247 | 7,702 | ||
| Catg J Exception Values: | 8,031,231 | 11,267,771 | ||||
| Catg D1 Exception Values: | 4,105,135 | 4,070,548 | ||||
| Catg B Exception Values: | 100,009,987 | 102,050,000 | ||||
| Total Test Values (4): | 1,954,888,679 | 2,009,728,743 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 100,486,437 |
Confidence Interval Values (5)
| State Lower Limit: | 1,909,242,306 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,954,888,679 | (Within Confidence Interval) |
| State Upper Limit: | 2,110,215,180 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,589,100,410 | (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