2009 Confidence Interval Detail
074/Fannin
074-912/Trenton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,181,700 | 0.9648 | 15,735,593 | 8 | 288 | .002954399 |
| A | 16,961,860 | 1.0383 | 16,336,184 | 8 | 149 | .003357984 |
| A | 14,323,440 | 0.9720 | 14,736,049 | 7 | 95 | .007492766 |
| A | 17,361,450 | 0.9520 | 18,236,817 | 7 | 86 | .021068109 |
| D3 | 48,879,500 | 0.9448 | 51,735,288 | 26 | 1,357 | .016893082 |
| L1 | 1,408,150 | 0.9508 | 1,481,016 | 6 | 30 | .037155121 |
| Random Totals: | 114,116,100 | 118,260,947 | 62 | 2,005 | ||
| Catg J Exception Values: | 11,826,830 | 12,810,992 | ||||
| Catg D1 Exception Values: | 2,163,420 | 1,975,341 | ||||
| Catg L1 Exception Values: | 5,984,290 | 5,603,374 | ||||
| Total Test Values (4): | 134,090,640 | 138,650,654 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 6,932,533 |
Confidence Interval Values (5)
| State Lower Limit: | 131,718,121 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 134,090,640 | (Within Confidence Interval) |
| State Upper Limit: | 145,583,187 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 134,074,306 | (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