2006 Confidence Interval Detail
110/Hockley
110-905/Ropes ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,671,238 | 0.7334 | 3,642,266 | 16 | 104 | .127159569 |
| A | 2,687,842 | 0.8668 | 3,100,879 | 16 | 44 | .047026554 |
| A | 2,620,194 | 0.9347 | 2,803,246 | 13 | 29 | .052186695 |
| A | 2,640,388 | 0.9913 | 2,663,561 | 12 | 20 | .005637593 |
| D3 | 14,100,457 | 0.8448 | 16,690,882 | 23 | 1,073 | .105237777 |
| G1 | 1,674,750 | 0.9104 | 1,839,576 | 17 | 18 | .103531782 |
| Random Totals: | 26,394,869 | 30,740,410 | 97 | 1,288 | ||
| Catg J Exception Values: | 1,487,290 | 1,437,125 | ||||
| Catg D1 Exception Values: | 17,089,451 | 15,381,252 | ||||
| Catg G1 Exception Values: | 1,487,630 | 1,459,482 | ||||
| Total Test Values (4): | 46,459,240 | 49,018,269 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,450,913 |
Confidence Interval Values (5)
| Local Test Value: | 46,459,240 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 46,567,356 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 51,469,182 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 56,686,679 | (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