2011 Confidence Interval Detail
129/Kaufman
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 | 33,261,730 | 1.0050 | 33,096,249 | 8 | 489 | .030137045 |
| A | 33,026,630 | 1.0107 | 32,676,986 | 8 | 262 | .026043239 |
| A | 32,973,720 | 0.9195 | 35,860,489 | 7 | 170 | .056472407 |
| A | 35,614,088 | 0.9498 | 37,496,408 | 8 | 84 | .007065375 |
| C | 3,994,380 | 1.0492 | 3,807,072 | 7 | 177 | .053655818 |
| C | 2,723,080 | 1.0618 | 2,564,588 | 7 | 31 | .007817772 |
| C | 5,386,860 | 1.0024 | 5,373,962 | 7 | 20 | .000013165 |
| D3 | 26,008,438 | 1.0219 | 25,451,060 | 15 | 1,060 | .015582535 |
| F1 | 6,287,278 | 0.8904 | 7,061,184 | 8 | 53 | .021510299 |
| F1 | 6,955,480 | 0.7950 | 8,749,031 | 7 | 23 | .002348602 |
| F1 | 9,121,670 | 0.8918 | 10,228,381 | 6 | 9 | .007330808 |
| Random Totals: | 195,353,354 | 202,365,410 | 88 | 2,378 | ||
| Catg D1 Exception Values: | 2,366,910 | 1,208,677 | ||||
| Total Test Values (4): | 197,720,264 | 203,574,087 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,178,704 |
Confidence Interval Values (5)
| State Lower Limit: | 193,395,383 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 197,720,264 | (Within Confidence Interval) |
| State Upper Limit: | 213,752,791 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 230,557,490 | (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