2007 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 | 3,077,421 | 0.9610 | 3,202,311 | 15 | 106 | .028719608 |
| A | 3,053,100 | 0.9192 | 3,321,475 | 16 | 44 | .011627908 |
| A | 3,113,656 | 0.9479 | 3,284,794 | 14 | 30 | .023506200 |
| A | 2,932,699 | 0.8915 | 3,289,623 | 13 | 19 | .003961705 |
| D3 | 17,034,793 | 0.9002 | 18,923,343 | 20 | 1,078 | .049633752 |
| G1 | 1,427,650 | 0.8892 | 1,605,544 | 12 | 17 | .208213704 |
| L1 | 1,448,310 | 1.1090 | 1,305,960 | 20 | 42 | .075428683 |
| Random Totals: | 32,087,629 | 34,933,050 | 110 | 1,336 | ||
| Catg J Exception Values: | 1,311,850 | 1,384,561 | ||||
| Catg D1 Exception Values: | 21,095,655 | 21,054,866 | ||||
| Catg G1 Exception Values: | 1,664,290 | 1,839,315 | ||||
| Total Test Values (4): | 56,159,424 | 59,211,792 |
Margin of Error
| Margin of Error Percent: | 5.0000007 |
|---|---|
| Margin of Error Value: | 2,960,590 |
Confidence Interval Values (5)
| Local Test Value: | 56,159,424 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 56,251,202 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 62,172,382 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 66,258,047 | (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