2009 Confidence Interval Detail
107/Henderson
129-905/Mabank ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 134,726,330 | 1.0036 | 134,243,055 | 76 | 2,266 | .030041849 |
| A | 149,258,540 | 1.0359 | 144,085,858 | 52 | 1,153 | .031060816 |
| A | 148,407,330 | 1.0152 | 146,185,313 | 27 | 618 | .014528204 |
| A | 146,100,520 | 1.0373 | 140,846,930 | 20 | 355 | .020073201 |
| C | 12,578,330 | 0.8893 | 14,144,080 | 33 | 3,731 | .270200678 |
| C | 13,095,600 | 0.9253 | 14,152,815 | 8 | 405 | .017351671 |
| C | 11,784,940 | 1.0716 | 10,997,518 | 8 | 94 | .019454076 |
| C | 12,034,100 | 0.9948 | 12,097,004 | 7 | 32 | .001266533 |
| F1 | 27,017,120 | 0.9513 | 28,400,210 | 7 | 185 | .009875575 |
| F1 | 28,423,470 | 0.8613 | 33,000,662 | 6 | 78 | .043759541 |
| F1 | 27,208,580 | 0.9526 | 28,562,440 | 6 | 32 | .009608984 |
| F1 | 31,426,800 | 1.0284 | 30,558,926 | 4 | 10 | .001798899 |
| L1 | 11,852,980 | 1.0475 | 11,315,494 | 7 | 198 | .005317547 |
| L1 | 9,490,220 | 0.9903 | 9,583,177 | 6 | 43 | .021309817 |
| L1 | 15,707,070 | 1.0620 | 14,790,085 | 5 | 17 | .003069294 |
| Random Totals: | 779,111,930 | 772,963,567 | 272 | 9,217 | ||
| Catg D1 Exception Values: | 613,990 | 563,416 | ||||
| Catg L1 Exception Values: | 6,930,730 | 6,965,148 | ||||
| Total Test Values (4): | 786,656,650 | 780,492,131 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 39,024,607 |
Confidence Interval Values (5)
| State Lower Limit: | 741,467,524 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 786,656,650 | (Within Confidence Interval) |
| State Upper Limit: | 819,516,738 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 716,423,493 | (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