2007 Confidence Interval Detail
063/Dickens
063-903/Spur ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,173,184 | 0.8800 | 3,605,891 | 7 | 306 | .085759406 |
| A | 3,154,418 | 0.8286 | 3,806,925 | 9 | 158 | .058063262 |
| A | 3,180,709 | 1.0221 | 3,111,935 | 7 | 95 | .025526239 |
| A | 3,144,251 | 1.0111 | 3,109,733 | 7 | 57 | .069592995 |
| D3 | 11,890,310 | 0.8092 | 14,693,908 | 20 | 2,384 | .024185453 |
| G1 | 40,588,277 | 1.0526 | 38,560,020 | 15 | 49 | .031925849 |
| G1 | 40,061,030 | 1.0428 | 38,416,791 | 11 | 13 | .006366755 |
| Random Totals: | 105,192,179 | 105,305,203 | 76 | 3,062 | ||
| Catg D1 Exception Values: | 21,571,790 | 22,713,794 | ||||
| Catg G1 Exception Values: | 76,944,846 | 71,989,612 | ||||
| Total Test Values (4): | 203,708,815 | 200,008,609 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,000,430 |
Confidence Interval Values (5)
| State Lower Limit: | 190,008,179 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 203,708,815 | (Within Confidence Interval) |
| State Upper Limit: | 210,009,039 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 239,386,322 | (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