2009 Confidence Interval Detail
039/Clay
039-902/Henrietta ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 32,137,370 | 0.9692 | 33,158,657 | 15 | 772 | .016764276 |
| A | 35,733,620 | 1.0118 | 35,316,881 | 15 | 458 | .001491440 |
| A | 33,706,970 | 0.9584 | 35,170,044 | 8 | 301 | .006966442 |
| A | 40,402,710 | 0.9636 | 41,928,923 | 9 | 231 | .001817370 |
| D3 | 38,028,370 | 0.9633 | 39,477,183 | 23 | 3,065 | .006188430 |
| G1 | 1,655,540 | 1.0524 | 1,573,109 | 4 | 12 | .010918985 |
| G1 | 1,699,950 | 1.0650 | 1,596,197 | 4 | 7 | .001855745 |
| G1 | 1,493,070 | 1.0050 | 1,485,642 | 2 | 3 | .003011915 |
| Random Totals: | 184,857,600 | 189,706,636 | 80 | 4,849 | ||
| Catg J Exception Values: | 48,372,870 | 47,027,561 | ||||
| Catg D1 Exception Values: | 18,640,760 | 17,476,114 | ||||
| Catg G1 Exception Values: | 19,720,690 | 19,531,907 | ||||
| Total Test Values (4): | 271,591,920 | 273,742,218 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,687,111 |
Confidence Interval Values (5)
| State Lower Limit: | 260,055,107 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 271,591,920 | (Within Confidence Interval) |
| State Upper Limit: | 287,429,329 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 314,310,825 | (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