2008 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 | 563,900,750 | 1.0562 | 533,895,806 | 20 | 5,967 | .032536381 |
| C | 52,834,090 | 0.9993 | 52,871,100 | 13 | 7,375 | .022434359 |
| D3 | 21,509,290 | 0.9533 | 22,562,981 | 13 | 875 | .052489800 |
| F1 | 114,446,640 | 1.0011 | 114,320,887 | 10 | 444 | .008814153 |
| L1 | 46,679,900 | 1.0156 | 45,962,879 | 10 | 628 | .016413327 |
| Random Totals: | 799,370,670 | 769,613,653 | 66 | 15,289 | ||
| Catg D1 Exception Values: | 613,620 | 556,573 | ||||
| Total Test Values (4): | 799,984,290 | 770,170,226 |
Margin of Error
| Margin of Error Percent: | 5.7110033 |
|---|---|
| Margin of Error Value: | 43,984,447 |
Confidence Interval Values (5)
| State Lower Limit: | 726,185,779 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 799,984,290 | (Within Confidence Interval) |
| State Upper Limit: | 814,154,673 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 682,632,572 | (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