2011 Confidence Interval Detail
110/Hockley
110-908/Whitharral ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,339,580 | 0.9990 | 1,340,921 | 10 | 41 | .002434546 |
| A | 1,129,030 | 0.9507 | 1,187,578 | 10 | 16 | .003127030 |
| A | 1,306,720 | 0.9561 | 1,366,719 | 6 | 13 | .002279081 |
| A | 1,500,760 | 0.9548 | 1,571,806 | 4 | 8 | .005423048 |
| D3 | 7,914,767 | 0.9929 | 7,971,364 | 17 | 827 | .002939698 |
| G1 | 35,917,900 | 0.9816 | 36,591,178 | 8 | 42 | .019441163 |
| Random Totals: | 49,108,757 | 50,029,566 | 55 | 947 | ||
| Catg J Exception Values: | 234,900 | 278,294 | ||||
| Catg D1 Exception Values: | 17,542,262 | 17,653,250 | ||||
| Catg G1 Exception Values: | 12,699,060 | 12,236,169 | ||||
| Total Test Values (4): | 79,584,979 | 80,197,279 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 4,009,864 |
Confidence Interval Values (5)
| State Lower Limit: | 76,187,415 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 79,584,979 | (Within Confidence Interval) |
| State Upper Limit: | 84,207,143 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 82,999,507 | (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