2011 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 | 3,816,860 | 1.0229 | 3,731,411 | 17 | 302 | .024830541 |
| A | 3,766,890 | 0.9608 | 3,920,577 | 16 | 153 | .048206452 |
| A | 3,828,240 | 1.0032 | 3,816,029 | 10 | 93 | .008714981 |
| A | 3,860,730 | 0.9521 | 4,054,963 | 10 | 57 | .028194809 |
| D3 | 14,459,060 | 0.9969 | 14,504,022 | 16 | 2,380 | .026291912 |
| G1 | 37,108,660 | 1.0533 | 35,230,855 | 8 | 39 | .016891103 |
| G1 | 38,786,690 | 1.0272 | 37,759,628 | 6 | 16 | .006516168 |
| G1 | 33,811,210 | 0.9829 | 34,399,440 | 4 | 6 | .002331861 |
| G1 | 35,313,890 | 0.9887 | 35,717,498 | 2 | 3 | .010784933 |
| Random Totals: | 174,752,230 | 173,134,423 | 89 | 3,049 | ||
| Catg D1 Exception Values: | 22,072,670 | 21,147,523 | ||||
| Total Test Values (4): | 196,824,900 | 194,281,946 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,714,097 |
Confidence Interval Values (5)
| State Lower Limit: | 184,567,849 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 196,824,900 | (Within Confidence Interval) |
| State Upper Limit: | 203,996,043 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 220,085,680 | (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