2009 Confidence Interval Detail
123/Jefferson
123-908/Port Neches-Groves ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 253,650,270 | 0.9640 | 263,122,687 | 34 | 3,343 | .001276322 |
| A | 260,950,000 | 0.9638 | 270,751,193 | 35 | 2,283 | .002084722 |
| A | 274,531,650 | 0.9842 | 278,938,884 | 34 | 1,668 | .001003845 |
| A | 271,644,380 | 0.9950 | 273,009,427 | 26 | 1,001 | .001540962 |
| F1 | 18,581,690 | 0.9940 | 18,693,853 | 7 | 199 | .004916044 |
| F1 | 19,324,530 | 0.9789 | 19,741,067 | 6 | 84 | .028452063 |
| F1 | 20,160,880 | 1.0370 | 19,441,543 | 6 | 33 | .001812729 |
| F1 | 16,525,770 | 1.1162 | 14,805,384 | 4 | 9 | .013012708 |
| Random Totals: | 1,135,369,170 | 1,158,504,038 | 152 | 8,620 | ||
| Catg D1 Exception Values: | 120,000 | 87,847 | ||||
| Total Test Values (4): | 1,135,489,170 | 1,158,591,885 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 57,929,594 |
Confidence Interval Values (5)
| State Lower Limit: | 1,100,662,291 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,135,489,170 | (Within Confidence Interval) |
| State Upper Limit: | 1,216,521,479 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,837,066,942 | (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
