2009 Confidence Interval Detail
144/Lee
144-901/Giddings ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 34,048,606 | 0.9142 | 37,244,154 | 7 | 657 | .024062696 |
| A | 34,493,135 | 0.9235 | 37,350,444 | 7 | 356 | .025841479 |
| A | 38,400,933 | 0.9808 | 39,152,664 | 7 | 273 | .004235806 |
| A | 41,706,000 | 1.0246 | 40,704,665 | 7 | 177 | .013985601 |
| D3 | 182,013,329 | 1.0731 | 169,614,508 | 17 | 6,488 | .058403510 |
| F1 | 20,296,717 | 1.0330 | 19,648,322 | 10 | 205 | .052706392 |
| F1 | 22,036,672 | 0.9552 | 23,070,218 | 7 | 82 | .035604927 |
| F1 | 21,975,070 | 1.0298 | 21,339,163 | 6 | 39 | .016863746 |
| F1 | 21,756,289 | 0.9498 | 22,906,179 | 5 | 16 | .005299057 |
| G1 | 43,169,022 | 1.0772 | 40,075,215 | 11 | 143 | .213127582 |
| G1 | 44,133,751 | 1.0185 | 43,332,107 | 6 | 48 | .013562194 |
| G1 | 42,736,747 | 0.9957 | 42,921,309 | 7 | 27 | .020535856 |
| G1 | 42,303,714 | 1.1187 | 37,815,066 | 5 | 14 | .013723304 |
| L1 | 9,721,430 | 1.2220 | 7,955,344 | 7 | 186 | .018067159 |
| L1 | 10,523,590 | 1.0519 | 10,004,364 | 9 | 48 | .012590563 |
| L1 | 7,380,390 | 0.9818 | 7,517,203 | 5 | 13 | .000221839 |
| Random Totals: | 616,695,395 | 600,650,925 | 123 | 8,772 | ||
| Catg J Exception Values: | 9,701,800 | 8,383,824 | ||||
| Catg D1 Exception Values: | 10,150,629 | 8,359,038 | ||||
| Catg L1 Exception Values: | 10,558,020 | 10,409,423 | ||||
| Total Test Values (4): | 647,105,844 | 627,803,210 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 31,390,161 |
Confidence Interval Values (5)
| State Lower Limit: | 596,413,049 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 647,105,844 | (Within Confidence Interval) |
| State Upper Limit: | 659,193,371 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 698,831,958 | (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