2011 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 | 4,262,040 | 1.0655 | 4,000,038 | 10 | 106 | .013917697 |
| A | 4,302,040 | 0.9763 | 4,406,473 | 10 | 47 | .002973020 |
| A | 4,133,320 | 0.9594 | 4,308,234 | 10 | 30 | .003690541 |
| A | 4,869,970 | 0.9790 | 4,974,433 | 12 | 19 | .000660275 |
| D3 | 24,416,016 | 0.9863 | 24,755,162 | 16 | 1,073 | .001668121 |
| G1 | 4,726,360 | 0.9602 | 4,922,266 | 6 | 15 | .107313069 |
| Random Totals: | 46,709,746 | 47,366,606 | 64 | 1,290 | ||
| Catg J Exception Values: | 597,500 | 563,137 | ||||
| Catg D1 Exception Values: | 24,627,659 | 30,080,369 | ||||
| Catg G1 Exception Values: | 11,273,220 | 10,905,743 | ||||
| Total Test Values (4): | 83,208,125 | 88,915,855 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 4,445,793 |
Confidence Interval Values (5)
| Local Test Value: | 83,208,125 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 84,470,062 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 93,361,648 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 92,454,680 | (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