2006 Confidence Interval Detail
228/Trinity
228-901/Groveton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,772,954 | 1.0136 | 11,614,990 | 7 | 716 | .262759793 |
| A | 11,799,581 | 1.0571 | 11,162,218 | 7 | 397 | .019794616 |
| A | 11,791,841 | 0.9925 | 11,880,948 | 7 | 254 | .015287182 |
| A | 11,726,506 | 0.9767 | 12,006,252 | 7 | 130 | .001060095 |
| C | 4,323,704 | 1.3940 | 3,101,653 | 11 | 1,349 | .295863533 |
| C | 4,011,213 | 0.9076 | 4,419,582 | 9 | 853 | .071985780 |
| C | 1,938,560 | 0.6715 | 2,886,910 | 7 | 342 | .717836600 |
| C | 3,356,213 | 1.1843 | 2,833,921 | 7 | 241 | .068484384 |
| D3 | 31,263,235 | 0.7013 | 44,578,975 | 18 | 3,964 | .435334422 |
| Random Totals: | 91,983,807 | 104,485,449 | 80 | 8,246 | ||
| Catg J Exception Values: | 4,511,433 | 4,468,389 | ||||
| Catg D1 Exception Values: | 33,210,501 | 5,183,347 | ||||
| Total Test Values (4): | 129,705,741 | 114,137,185 |
Margin of Error
| Margin of Error Percent: | 12.9126498 |
|---|---|
| Margin of Error Value: | 14,738,135 |
Confidence Interval Values (5)
| State Lower Limit: | 99,399,050 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| State Upper Limit: | 128,875,320 | (State Test Value plus Margin of Error Percent) |
| Local Test Value: | 129,705,741 | (Outside Confidence Interval) |
| Value Assigned (6): | 127,700,263 | (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