2007 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 | 8,172,938 | 0.9530 | 8,576,010 | 8 | 211 | .007843604 |
| A | 8,181,560 | 1.0088 | 8,110,190 | 8 | 133 | .001733681 |
| A | 8,219,233 | 0.9711 | 8,463,838 | 7 | 91 | .003219907 |
| A | 8,110,113 | 1.0529 | 7,702,643 | 7 | 49 | .012721716 |
| D3 | 27,578,967 | 1.0261 | 26,877,465 | 20 | 2,047 | .014617125 |
| Random Totals: | 60,262,811 | 59,730,146 | 50 | 2,531 | ||
| Catg J Exception Values: | 1,404,370 | 1,293,379 | ||||
| Catg D1 Exception Values: | 12,202,463 | 10,580,106 | ||||
| Total Test Values (4): | 73,869,644 | 71,603,631 |
Margin of Error
| Margin of Error Percent: | 5.0000006 |
|---|---|
| Margin of Error Value: | 3,580,182 |
Confidence Interval Values (5)
| State Lower Limit: | 68,023,449 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 73,869,644 | (Within Confidence Interval) |
| State Upper Limit: | 75,183,813 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 69,820,397 | (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