2008 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 | 134,676,093 | 1.0168 | 132,450,918 | 33 | 1,341 | .002213648 |
| C | 31,082,630 | 0.9726 | 31,958,287 | 10 | 516 | .135964660 |
| D3 | 28,022,662 | 0.8801 | 31,840,316 | 11 | 1,080 | .011645674 |
| F1 | 21,640,245 | 0.9083 | 23,824,997 | 10 | 120 | .009527874 |
| Random Totals: | 215,421,630 | 220,074,518 | 64 | 3,057 | ||
| Catg D1 Exception Values: | 1,962,163 | 1,157,250 | ||||
| Total Test Values (4): | 217,383,793 | 221,231,768 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 11,061,588 |
Confidence Interval Values (5)
| State Lower Limit: | 210,170,180 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 217,383,793 | (Within Confidence Interval) |
| State Upper Limit: | 232,293,356 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 243,203,627 | (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
