2007 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 | 32,297,000 | 0.9817 | 32,899,053 | 8 | 770 | .004188577 |
| A | 32,225,944 | 0.9932 | 32,446,581 | 15 | 416 | .001946708 |
| A | 32,294,398 | 1.0157 | 31,795,213 | 8 | 296 | .005342173 |
| A | 32,191,126 | 1.0382 | 31,006,671 | 10 | 191 | .005552954 |
| D3 | 33,264,240 | 1.1289 | 29,466,064 | 14 | 3,023 | .011706222 |
| G1 | 1,753,590 | 1.0379 | 1,689,556 | 4 | 12 | .012982267 |
| G1 | 1,540,000 | 1.3148 | 1,171,281 | 3 | 5 | .085600978 |
| G1 | 1,594,170 | 0.9142 | 1,743,787 | 2 | 3 | .001680539 |
| Random Totals: | 167,160,468 | 162,218,206 | 64 | 4,716 | ||
| Catg J Exception Values: | 63,397,781 | 63,112,639 | ||||
| Catg D1 Exception Values: | 18,839,700 | 16,283,572 | ||||
| Catg G1 Exception Values: | 20,379,170 | 20,599,244 | ||||
| Total Test Values (4): | 269,777,119 | 262,213,661 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 13,110,683 |
Confidence Interval Values (5)
| State Lower Limit: | 249,102,978 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 269,777,119 | (Within Confidence Interval) |
| State Upper Limit: | 275,324,344 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 298,622,522 | (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