2009 Confidence Interval Detail
050/Coryell
050-901/Evant ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,379,410 | 0.9773 | 7,550,813 | 10 | 180 | .022691259 |
| A | 6,899,500 | 0.9572 | 7,208,003 | 11 | 102 | .008012132 |
| A | 5,923,250 | 0.9419 | 6,288,619 | 10 | 58 | .032993694 |
| A | 6,934,340 | 0.9857 | 7,034,940 | 9 | 37 | .004501100 |
| D3 | 16,012,640 | 0.9787 | 16,361,132 | 25 | 1,529 | .348825792 |
| Random Totals: | 43,149,140 | 44,443,507 | 65 | 1,906 | ||
| Catg J Exception Values: | 1,299,870 | 1,385,735 | ||||
| Catg D1 Exception Values: | 7,355,662 | 6,890,793 | ||||
| Total Test Values (4): | 51,804,672 | 52,720,035 |
Margin of Error
| Margin of Error Percent: | 7.5462336 |
|---|---|
| Margin of Error Value: | 3,978,377 |
Confidence Interval Values (5)
| State Lower Limit: | 48,741,658 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 51,804,672 | (Within Confidence Interval) |
| State Upper Limit: | 56,698,412 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 49,041,172 | (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